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Part Number

Part Number:
NSN:
NIIN:
Item Name:
LOCKNUT , TUBE FITTING

Definition:

AN ITEM WITH INTERNAL MACHINE THREADS DESIGNED TO FIT THE EXTERNAL MACHINE THREADS OF A TUBE FITTING. IT HAS FLAT FACES, ONE OF WHICH HAS A COUNTERBORED RECESS TO ACCOMMODATE PACKING, PACKING OR SEALING RING(S), GASKET(S), AND THE LIKE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF LOCKING AND SEALING THE CONNECTION. SEE ALSO LOCKNUT, PIPE; NUT (1), TUBE COUPLING AND NUT (1), PLAIN, HEXAGON.

CAGE Information

Code Company
03038 LONG-LOK FASTENERS 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
CFPT PACKING RECESS DIAMETER 2.580 INCHES NOMINAL
MATT MATERIAL ALUMINUM ALLOY NUT
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225,COND T851 FED SPEC SINGLE MATERIAL RESPONSE NUT
MATT MATERIAL PLASTIC LOCKING INSERT
ADEA NUT HEIGHT 0.500 INCHES NOMINAL
ASDB WIDTH ACROSS FLATS 3.350 INCHES NOMINAL
FEAT SPECIAL FEATURES OUTSIDE EDGE OF NUT IS FLANGED
CQJX NOMINAL THREAD SIZE 2.500 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
AAJD THREAD CLASS 3B
BZRR THREAD SERIES UNJ
CMLP THREAD QUANTITY PER INCH 16
CQRJ NOMINAL TUBE OUTSIDE DIAMETER 2.000 INCHES
ACTA NUT STYLE TUBE FITTING LOCKNUT
CFPW PACKING RECESS DEPTH 0.090 INCHES NOMINAL
SFTT SURFACE TREATMENT ANODIZE NUT

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