PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9701-31Washer,lock

Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions · NSN 5310-01-101-2492 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-101-2492 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-101-2492. Primary manufacturer part number: 9701-31.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.317 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN
  • Material Thickness: 0.084 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.586 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM OVERALL
  • 1 verified cross-reference
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-101-2492, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-101-2492
Primary Part Number9701-31
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions
StatusACTIVE
Hole Diameter0.317 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN
Material Thickness0.084 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.586 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1680-00-393-951797013-1 INTERCHANGEABLE
Knee Pad Assembly,s
Northrop Grumman Systems Corporation
6515-01-444-747231200 INTERCHANGEABLE
Catheter and Connector,suction,t
Covidien Sales Llc Dba Covidien Sales
Cross-Reference Index
Part NumberManufacturer
9701-31 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
Related Parts
1680-00-393-9517INTERCHANGEABLE
KNEE PAD ASSEMBLY,S
97013-1
6515-01-444-7472INTERCHANGEABLE
CATHETER AND CONNECTOR,SUCTION,T
31200

Frequently Asked Questions

What is NSN 5310-01-101-2492?

NSN 5310-01-101-2492 is a Washer,lock, manufactured by Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-101-2492?

NSN 5310-01-101-2492 has 1 cross-referenced part number: 9701-31 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions).

What NSN replaces 5310-01-101-2492?

There are 2 known substitutes for 5310-01-101-2492: 1680-00-393-9517, 6515-01-444-7472. Verify interchangeability with system specifications before substitution.

What are the specifications of 9701-31?

Key specifications for 9701-31: Hole Diameter: 0.317 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN; Material Thickness: 0.084 INCHES NOMINAL IN; Material: STEEL OVERALL; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 7 total characteristics are documented in the Federal Logistics Information System.

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