Product Details | INTERNAL WRENCHING PLAIN NUT

5310-01-123-6381 A cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench.

Part Alternates: 25953, 5310-01-123-6381, 01-123-6381, 5310011236381, 011236381

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 16 DEC 1981 01-123-6381

Drawings & Photos | NSN 5310-01-123-6381


Cross Reference | NSN 5310-01-123-6381

Part Number Cage Code Manufacturer
25953 89944 KOLLSMAN, INC.

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Technical Data | NSN 5310-01-123-6381

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
NUT STYLE A19 INTERNAL WRENCHING
NUT DIAMETER 0.302 INCHES MINIMUM AND 0.307 INCHES MAXIMUM
NUT HEIGHT 0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM
COUNTERSINK ANGLE 45.0 DEGREES NOMINAL OVERALL
INTERNAL DRIVE STYLE E4 DOUBLE HEXAGON
WIDTH BETWEEN FLATS 0.250 INCHES NOMINAL
TEMP RATING NOT RATED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY LENGTH
MANUFACTURERS CODE 89944
DESIGN CONTROL REFERENCE 25953

Restrictions/Controls & Freight Information | NSN 5310-01-123-6381

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