Product Details | HEXAGON EXTENDED WASHER PLAIN NUT

5310-01-552-7995 A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.

Part Alternates: 21AX761, 25097981, 5310-01-552-7995, 01-552-7995, 5310015527995, 015527995

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 25 JUN 2007 01-552-7995

Drawings & Photos | NSN 5310-01-552-7995


Cross Reference | NSN 5310-01-552-7995

Part Number Cage Code Manufacturer
21AX761 89619 MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS
25097981 Z4117 VOLVO GROUP AUSTRALIA PTY LTD

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Technical Data | NSN 5310-01-552-7995

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.3125 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
SURFACE TREATMENT CHROMATE ZINC OVERALL
NUT STYLE A294 HEXAGON
WASHER OUTSIDE DIAMETER 0.790 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
OVERALL HEIGHT 0.318 INCHES MINIMUM AND 0.342 INCHES MAXIMUM
WASHER THICKNESS 0.036 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SPECIAL FEATURES FINISH:ZINC CHROMATE; TYPICAL USEAGE:SHEET METAL FASTENERS
III PART NAME ASSIGNED BY CONTROLLING AGENCY NUT, LOCK-MACHINE SCREW HEX SERRATED LARGE WASHER HEAD

Restrictions/Controls & Freight Information | NSN 5310-01-552-7995

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information