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MIL-HDBK-1655 Base Document:1997

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Current

The latest, up-to-date edition.

CLASSIFICATION OF DEFECTS OF FLARELESS AND BEAM SEAL FITTINGS

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FOREWORD
1 SCOPE
1.1 Scope
1.2 Classification
1.3 Purpose
1.4 Applicability
2 APPLICABLE DOCUMENTS
2.1 General
2.2 Government documents
2.2.1 Specifications, standards and handbooks
2.2.2 Other government documents, drawings and publications
2.3 Non-government publications
2.4 Order of precedence
3 DEFINITIONS
3.1 Acceptable Quality Level (AQL)
3.2 Classification of defects
3.3 Critical defect
3.4 Defect
3.5 Imperfect thread
3.6 Inspection
3.7 Leg length
3.8 Major defect
3.9 Minor defect
3.10 Not measurement sensitive documents
3.11 Sampling plan
3.12 Shape fitting
3.13 Straight fitting
3.14 Thread lead
4 GENERAL REQUIREMENTS
4.1 Classification of defects
4.2 Acceptability of classifications
4.3 Sampling
4.3.1 Acceptable Quality Level (AQL)
5 DETAILED REQUIREMENTS
5.1 Classifications of defects
5.1.1 MS33514, Flareless end design standard
5.1.2 MS33515, Bulkhead flareless end design standard
5.1.3 MS21921, Nut
5.1.4 Shape fittings, military standards
5.1.5 Shape fittings, DoD adopted non-Government standards
5.1.6 Straight fittings, military standards
5.1.7 Straight fittings, DoD adopted non-Government standard
5.1.8 MS21914, Cap assembly
5.1.9 MS21933, Single port cluster bolt end design standard
5.1.10 MS21935, Double port cluster bolt end design standard
5.1.11 MS21922, Sleeve
5.1.12 MS21937, Nut
5.1.13 Cluster bolts, single and double port
5.1.14 Cluster bodies, one, two, and three way
5.1.15 MIL-F-85421/1, MIL-F-85421/2, MIL-F-85720/1 (AS)
              beam seal end design standards
5.1.16 Straight fittings, beam seal, military standards
5.1.17 Shape fittings, beam seal, military standards
6 NOTES
6.1 Intended use
6.2 Issue of DoDISS
6.3 Superseding data
6.4 Subject term (keyword) listing
6.5 Changes from previous issue
TABLE
I Classification of defects of MS33514
II Classification of defects of MS33515
III Classification of defects of MS21921
IV Classification of defects of shape fittings,
              military standards
V Classification of defects of shape fittings, DoD
              adopted non-Government standards
VI Classification of defects of straight fittings,
              military standards
VII Classification of defects of straight fittings of
              DoD adopted non-Government standard
VIII Classification of defects of MS21914
IX Classification of defects of MS21933
X Classification of defects of MS21935
XI Classification of defects of MS21922
XII Classification of defects of MS21937
XIII Classification of defects of MS21938, MS21939,
                                           MS21940, MS21941
XIV Classification of defects of MS21942, MS21943,
                                           MS21944, MS21945
XV Classification of defects of MIL-F-85421/1,
                            MIL-F-85421/2, MIL-F-85720/1 (AS)
XVI Classification of defects of straight fittings,
              beam seal, military standards
XVII Classification of defects of shape fittings,
              beam seal, military standards
CONCLUDING MATERIAL

Committee
FSC 4730
DevelopmentNote
Supersedes MIL STD 1655 (03/2004) NOTICE 1 - Notice of Validation. (11/2014)
DocumentType
Standard
Pages
27
ProductNote
NEW CHILD NOT 2 2019 IS NOW ADDED.
PublisherName
US Military Specs/Standards/Handbooks
Status
Current
Supersedes

SAE AS18280F Fittings, 24° Cone Flareless, Fluid Connection, 3000 psi

MS21939 Revision D:1989 BOLT, CLUSTER FITTING, SINGLE PORT, THROUGH, FLARELESS
MS21940 Revision D:1988 BOLT, CLUSTER FITTING, DOUBLE PORT, FLARELESS
MS24654 Revision C:0198 ELBOW, TUBE 45 DEG., BULKHEAD, FLARELESS TUBE UNIVERSAL TO FLARED TUBE
MS21910 Revision F:1981 TEE BULKHEAD FLARELESS TUBE INTERNAL THREAD ON SIDE
MIL-F-85421-15 Base Document:1992 FITTING, ELBOW, 45 DEGREE, BEAM SEAL, 3000/4000 PSI, BULKHEAD, MALE ENDS
MIL-F-85421-17 Base Document:1992 FITTING, TEE, BEAM SEAL, 3000/4000 PSI, BULKHEAD ON BRANCH, MALE ENDS
MS 24405 : D ADAPTER, FLARELESS TUBE TO FLARED TUBE, PRECISION TYPE
MS21938 Revision D:1989 BOLT, CLUSTER FITTING, SINGLE PORT FLARELESS
MIL-F-85421-13 Base Document:1992 FITTING, ELBOW, 90 DEGREE, BEAM SEAL, 3000/4000 PSI, BULKHEAD, MALE ENDS
MIL-F-18280 Revision F:1995 FITTING, FLARELESS TUBE, FLUID CONNECTION
SAE AS1004F FITTING, ELBOW, 90°, STANDARD AND REDUCER, FLARELESS
MS21908 Revision F:1981 ELBOW BULKHEAD UNIVERSAL 90 DEG FLARELESS TUBE
SAE AS1005G FITTING, TEE, STANDARD AND REDUCER, FLARELESS
MS21926 Revision C:1992 ELBOW 90 DEG UNIVERSAL FLARELESS TUBE LOW PROFILE
MS21924 Revision C:1988 UNION, FLARELESS TUBE, BULKHEAD AND UNIVERSAL
SAE AS1006F FITTING, CROSS, STANDARD AND REDUCER, FLARELESS
MS21905 Revision F:1992 TEE FLARELESS TUBE
MS21906 Revision E:1981 CROSS FLARELESS TUBE
MS21904 Revision F:1984 ELBOW FLARELESS TUBE 90 DEG
MS21945 Revision C:1987 BOLT, CLUSTER FITTING, THREE-WAY, FLARELESS
SAE AS1009J FITTING, TEE, STANDARD AND REDUCER, BULKHEAD ON SIDE, FLARELESS
MS33515 Revision J:1973 FITTING END, STANDARD DIMENSIONS FOR BULKHEAD FLARELESS TUBE CONNECTIONS
SAE AS1001H FITTING, TEE, STANDARD AND REDUCER, BULKHEAD ON RUN, INTERNAL PORT ON SIDE, FLARELESS
MS21943 Revision C:1987 BODY CLUSTER FITTING TWO WAY 90 DEG FLARELESS (ASG)
MS21912 Revision G:1988 TEE, FLARELESS TUBE WITH BULKHEAD ON RUN
SAE AS1002H FITTING, TEE, STANDARD AND REDUCER, BULKHEAD AND INTERNAL PORT ON RUN, FLARELESS
MIL-F-85421-4 Base Document:1992 FITTING, TEE, REDUCER & NON-REDUCER, BEAM SEAL, 3000/4000 PSI, MALE ON RUN, SWIVEL NUT ON BRANCH
MS24652 Revision B:1989 ELBOW, TUBE - 90 DEG, BULKHEAD, FLARED TUBE, UNIVERSAL TO FLARELESSTUBE
MS21909 Revision G:1990 TEE, BULKHEAD AND UNIVERSAL, FLARELESS TUBE
MS21902 Revision F:1989 UNION FLARELESS TUBE
MS21923 Revision C:1981 ADAPTOR, FLARELESS TUBE, BULKHEAD AND UNIVERSAL TO FLARED TUBE
MS21942 Revision D:1987 BODY CLUSTER FITTING ONE WAY FLARELESS
MS21913 Revision E:1981 PLUG FLARELESS TUBE
MS21914 Revision M:1990 CAP PRESSURE SEAL FLARELESS TUBE FITTING
MS21941 Revision D:1988 BOLT, CLUSTER FITTING, DOUBLE PORT, THROUGH, FLARELESS
MS21933 Base Document:1987 Fitting End, Bolt Cluster Fitting, Single Port Through, Flareless
MS21925 Revision B:1981
SAE AS1010G FITTING, ELBOW, 45 DEGREE, STANDARD AND REDUCER, BULKHEAD, FLARELESS
MS21916 Revision G:1988 REDUCER EXTERNAL THREAD FLARELESS TUBE
SAE AS1003H FITTING, TEE, STANDARD AND REDUCER, BULKHEAD ON RUN, FLARELESS
MS21915 Revision F:0198 BUSHING SCREW THREAD EXPANDER FLARELESS TUBE CONNECTION
SAE AS1007J FITTING, UNION, STANDARD AND REDUCER, BULKHEAD, FLARELESS
MS21911 Revision H:1981 TEE, BULKHEAD, FLARELESS TUBE, INTERNAL THREAD ON RUN
MS21900 Revision E:1988 ADAPTOR FLARELESS TUBE TO A FLARED TUBE
MS21937 Revision B:1969 NUT CLUSTER FITTING RETAINER (ASG)
MS33514 Revision G:1990 FITTING END, STANDARD DIMENSIONS FOR FLARELESS TUBE CONNECTION AND GASKET SEAL (ASG)
MS21921 Revision H:1981 NUT SLEEVE COUPLING FLARELESS
MS24651 Revision C:1990 ELBOW, TUBE 90 DEGREE BULKHEAD, FLARELESS TUBE, UNIVERSAL TO FLARED TUBE
MS21907 Revision G:1991 ELBOW, BULKHEAD UNIVERSAL, 45 DEGREE, FLARELESS TUBE
MS21944 Revision C:1987 BOLT, CLUSTER FITTING, TWO WAY, 180 DEGREE, FLARELESS
MS21922 Revision F:1988 SLEEVE COUPLING FLARELESS
SAE AS1008H FITTING, ELBOW, 90 DEGREE, STANDARD AND REDUCER, BULKHEAD, FLARELESS

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