2540-00-570-4048 BURNER,HEATER,VEHICULAR COMPARTM Index 5310-00-570-4050 NUT,SELF-LOCKING,BARREL

National Stock Number:
5310-00-570-4049

Federal Supply Class:
5310

National Item Identification Number:
005704049

Description:
NUT,SELF-LOCKING,BARREL

Detail:
A NUT OF CYLINDRICAL OR PARTLY CYLINDRICAL CROSS-SECTION WITH INTEGRAL THREADS PERPENDICULAR TO THE AXIAL CENTERLINE. ENDS MAY BE FLAT OR FLANGED. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES NUT (1), SELF-LOCKING, ROUND.


Manufacturer Information:
2752-05406329ASC INTERNATIONAL, INC.
2752-05472962HARVARD INDUSTRIES INC
F2752-054019L2ESNA, LLC
F2752-05406329ASC INTERNATIONAL, INC.
BFN00941-527238BRISTOL INDUSTRIES, LLC
5310PL11413219009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
HS4595-05402731MCDONNELL DOUGLAS HELICOPTER CO INC
HS4595-05416258SPACE-LOK, INC.
HS4595-0541V0G6ADEPT FASTENERS INC
HS4595-05427238BRISTOL INDUSTRIES, LLC
HS4595-0542V484BOEING DISTRIBUTION SERVICES, INC.
F2752-05456878SPS TECHNOLOGIES, LLC
F2752-05472962HARVARD INDUSTRIES INC
HS4595-054745V4DON INDUSTRIAL GROUP LLC
HS4595-0547QEZ4BLACK BAY AEROSPACE LLC
HS4595-0548V613THE BOEING COMPANY
HS4595-05497393SPS TECHNOLOGIES LLC
HS4595-05498897LOCKHEED MARTIN CORP
HS4595-0549V172AERO-GLEN INTERNATIONAL LLC


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALPLASTIC POLYAMIDE LOCKING INSERT
STEEL COMP 4130 OR
STEEL COMP 4140 OR
STEEL COMP 4340 NUT
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD 2ND MATERIAL RESPONSE OR
66 FED STD 3RD MATERIAL RESPONSE OR
MIL-S-5000 MIL SPEC 4TH MATERIAL RESPONSE NUT
SURFACE TREATMENTCADMIUM OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
HARDNESS RATING29.0 ROCKWELL C MINIMUM AND
37.0 ROCKWELL C MAXIMUM
NUT STYLEFLOATING SELF-LOCKING BARREL
NUT DIAMETER0.550 INCHES MINIMUM AND
0.553 INCHES MAXIMUM
NUT LENGTH0.610 INCHES NOMINAL
BARREL HEIGHT0.409 INCHES MINIMUM AND
0.429 INCHES MAXIMUM
NUT HEIGHT0.464 INCHES NOMINAL
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT COUNTERBORE DEPTH0.103 INCHES MINIMUM AND
0.123 INCHES MAXIMUM NUT
COUNTERBORE DIAMETER0.339 INCHES MINIMUM AND
0.349 INCHES MAXIMUM NUT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL
FEATURES PROVIDEDFLOATING NUT


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