PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72962Nut,self-Locking,extended Washer

Esna, Llc · NSN 5310-00-754-1783 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-754-1783 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-754-1783. Primary manufacturer part number: 72962.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Material Document and Classification: AISI1137 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Washer Outside Diameter: 0.692 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.438 INCHES IN
  • Thread Class: 3B
  • Width Across Flats: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1137 Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-754-1783, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Esna, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-754-1783
Primary Part Number72962
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEsna, Llc
StatusCANCELLED
Material Document and ClassificationAISI1137 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Washer Outside Diameter0.692 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nominal Thread Size0.438 INCHES IN
Thread Class3B
Width Across Flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Temp Rating550.0 FAHRENHEIT NOMINAL DEGF
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nut StyleDOUBLE HEXAGON
Surface TreatmentCADMIUM OVERALL
Thread SeriesUNF
Thread Quantity Per Inch20
Washer Thickness0.097 INCHES NOMINAL IN
MaterialSTEEL COMP 1137 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3020-00-289-75911199S1111 INTERCHANGEABLE
Gear,worm
Meritor Heavy Vehicle Systems, Llc
3120-00-662-303872962 INTERCHANGEABLE
Bearing,sleeve
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3120-01-100-049985268-2 INTERCHANGEABLE
Roller,linear-Rotary Motion
Vacco Industries
2805-01-350-916010159548 INTERCHANGEABLE
Engine,gasoline
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
62Z1835-070 Harvard Industries Inc (USA)
5310PL1933915 Jednolity Indeks Materialowy - Uniform Material Index (POL)
72962 PRIMARY Esna, Llc (USA)
52Z1835-070 Harvard Industries Inc (USA)
MILN25027 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3020-00-289-7591INTERCHANGEABLE
GEAR,WORM
1199S1111
3120-00-662-3038INTERCHANGEABLE
BEARING,SLEEVE
72962
3120-01-100-0499INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
85268-2
2805-01-350-9160INTERCHANGEABLE
ENGINE,GASOLINE
10159548

Frequently Asked Questions

What is NSN 5310-00-754-1783?

NSN 5310-00-754-1783 is a Nut,self-Locking,extended Washer, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-754-1783?

NSN 5310-00-754-1783 has 5 cross-referenced part numbers: 62Z1835-070 (Harvard Industries Inc), 5310PL1933915 (Jednolity Indeks Materialowy - Uniform Material Index), 72962 (Esna, Llc), 52Z1835-070 (Harvard Industries Inc), MILN25027 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-754-1783?

There are 4 known substitutes for 5310-00-754-1783: 3020-00-289-7591, 3120-00-662-3038, 3120-01-100-0499 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 72962?

Key specifications for 72962: Material Document and Classification: AISI1137 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Washer Outside Diameter: 0.692 INCHES MAXIMUM IN; Overall Height: 0.454 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-754-1783 still in active supply?

NSN 5310-00-754-1783 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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