Product Details | ASSEMBLED WASHER SELF-LOCKING NUT

5310-01-256-5837 A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: HW295383, HW29538-3, 5310-01-256-5837, 01-256-5837, 5310012565837, 012565837

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 06 JUN 1987 01-256-5837

Drawings & Photos | NSN 5310-01-256-5837


Cross Reference | NSN 5310-01-256-5837

Part Number Cage Code Manufacturer
HW29538-3 15653 ALCOA GLOBAL FASTENERS, INC.

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Technical Data | NSN 5310-01-256-5837

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 8740 OR STEEL COMP 4037 OR STEEL COMP 4340 OR STEEL COMP 4140 NUT
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-8695 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE NUT
SURFACE TREATMENT CADMIUM OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A311 FLAT WITH TURNED UP EDGE
WASHER OUTSIDE DIAMETER 0.410 INCHES MAXIMUM
OVERALL HEIGHT 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
NUT COUNTERBORE DEPTH 0.072 INCHES MINIMUM AND 0.087 INCHES MAXIMUM OVERALL
COUNTERBORE DIAMETER 0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM OVERALL
LUBRICATION SOLUBLE LUBRICANT
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-01-256-5837

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information