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Part Number

Part Number:
NSN:
NIIN:
Item Name:
COUPLING HALF , SELF-SEALING

Definition:

A FLUID LINE FITTING HAVING A PIPE, TUBE OR HOSE CONNECTION OR A THROUGH HOLE TO ACCOMMODATE A BOLT, FLUID PASSAGE ON ONE END. THE OTHER END MUST HAVE AN EXTERNAL OR INTERNAL THREAD FOR CONNECTING A MATING PART TO FORM A SELF-SEALING COUPLING ASSEMBLY. THE FITTING HAS EITHER A SELF-SEALING FEATURE FOR THE PURPOSE OF AUTOMATICALLY SHUTTING OFF THE FLOW OF FLUID WHEN DISCONNECTED FROM ITS MATING HALF, OR, IF IT HAS NO SELF-SEALING FEATURE, IS SPECIFICALLY DESIGNED TO MATE WITH A FITTING WITH A SELF-SEALING FEATURE. FOR SELF-SEALING FITTINGS WITH A QUICK DISCONNECT END, SEE COUPLING HALF, QUICK DISCONNECT. FOR FLUID LINE FITTINGS WITHOUT A SELF-SEALING FEATURE, SEE COUPLING (AS MODIFIED).

CAGE Information

Code Company
43689 HUNTINGTON INGALLS INCORPORATED DIV

Federal Supply Class

Title

HOSE, PIPE, TUBE, LUBRICATION, A

Inclusions:

INCLUDES ADAPTERS; BENDS; CAPS; CLAMPS; CONNECTORS; COUPLINGS; CROSSES; ELBOWS; EXPANSION JOINTS; FERRULES; FLANGES; LATERALS; LUBRICATION FITTINGS; MANIFOLDS; NIPPLES; NOZZLES; OUTLETS; PLUGS; REDUCERS; SWING AND SWIVEL JOINTS; TEES; TRAPS; UNIONS; WYES.

Exclusions:

EXCLUDES AIR CONDITIONING-HEATING FITTINGS (FSC 4520); BITUMINIZED FIBER AND CONCRETE FITTINGS (FSC 5630); CONDUIT BOXES AND FITTINGS (FSC 5975); DOWNSPOUT FITTINGS (FSC 5670); MEDICAL AND SURGICAL FITTINGS (FSC 6515); LABORATORY FITTINGS (FSC 6640); POST CAPS AND RAIL ENDS (FSC 5660); MACHINE THREAD BUSHINGS AND PLUGS (FSC 5365).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AAJD THREAD CLASS 3A ALL ENDS
FEAT SPECIAL FEATURES FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
CQJX NOMINAL THREAD SIZE 0.438 INCHES ALL ENDS
THSD THREAD SERIES DESIGNATOR UNF ALL ENDS
CQRB SEAT ANGLE 37.0 DEGREES
CQGM MAXIMUM OPERATING PRESSURE 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
ACLH FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
MATT MATERIAL STEEL BODY
AHNC CONNECTION STYLE FLARED ALL ENDS
STYL STYLE DESIGNATOR MALE COUPLING HALF
CBBL FEATURES PROVIDED SELF-SEALING
AWLS CONNECTION TYPE THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION

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