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Part Number

Part Number:
NSN:
NIIN:
Item Name:
REDUCER , BOSS

Definition:

A STRAIGHT FITTING HAVING A BOSS CONNECTION OF A DIFFERENT SIZE AT EACH END. BOTH CONNECTIONS HAVE EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. EXCLUDES BUSHING (AS MODIFIED).

CAGE Information

Code Company
78286 SIKORSKY AIRCRAFT CORPORATION

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
CWFR NOMINAL OVERALL LENGTH 2.937 INCHES
AWLS CONNECTION TYPE THREADED EXTERNAL BOSS 2ND END
MATT MATERIAL ALUMINUM OVERALL
AHNC CONNECTION STYLE EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
AAJD THREAD CLASS 3B 1ST END
THSD THREAD SERIES DESIGNATOR UN 2ND END
AAJD THREAD CLASS 3A 2ND END
CQJX NOMINAL THREAD SIZE 1.750 INCHES 2ND END
ACSP REDUCER TYPE CONCENTRIC
AHNC CONNECTION STYLE GASKET SEAL (BOSS) 1ST END
CMLP THREAD QUANTITY PER INCH 12 2ND END
CQJX NOMINAL THREAD SIZE 0.562 INCHES 1ST END
AWLS CONNECTION TYPE THREADED INTERNAL BOSS 1ST END

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