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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
81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC

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
ZZZK SPECIFICATION/STANDARD DATA 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51860 GOVERNMENT STANDARD AND 81349-MIL-F-18866 GOVERNMENT SPECIFICATION
ADEA NUT HEIGHT 0.310 INCHES NOMINAL
CFPT PACKING RECESS DIAMETER ANY ACCEPTABLE
ASDB WIDTH ACROSS FLATS 1.000 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
CQRJ NOMINAL TUBE OUTSIDE DIAMETER 0.500 INCHES
MATT MATERIAL STEEL OVERALL
CMLP THREAD QUANTITY PER INCH 16
BZRR THREAD SERIES UN
CFPW PACKING RECESS DEPTH ANY ACCEPTABLE
ACTA NUT STYLE TUBE FITTING LOCKNUT
ZZZT NONDEFINITIVE SPEC/STD DATA 25B FIGURE
CQJX NOMINAL THREAD SIZE 0.750 INCHES
AGAV END ITEM IDENTIFICATION MISC. HYDRAULIC SYSTEMS
AAJD THREAD CLASS 2B
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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