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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
93591 TYCO VALVES & CONTROLS LP USE CAGE C

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
CQJX NOMINAL THREAD SIZE 1.875 INCHES
CFPW PACKING RECESS DEPTH 0.188 INCHES NOMINAL
MATT MATERIAL COPPER ALLOY 903 OVERALL
CQRJ NOMINAL TUBE OUTSIDE DIAMETER 1.500 INCHES
ADEA NUT HEIGHT 0.562 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ASDB WIDTH ACROSS FLATS 2.500 INCHES NOMINAL
BZRR THREAD SERIES UN
ACTA NUT STYLE TUBE FITTING LOCKNUT
CMLP THREAD QUANTITY PER INCH 12
CFPT PACKING RECESS DIAMETER 2.125 INCHES NOMINAL
AAJD THREAD CLASS 2B
FEAT SPECIAL FEATURES MATERIAL IS GUNMETAL

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