PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

940-13Washer,flat

Department of the Air Force · NSN 5310-00-187-2351 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-187-2351 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-187-2351. Primary manufacturer part number: 940-13.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Thickness: 0.035 INCHES NOMINAL IN
  • Hole Diameter: 0.093 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Surface Treatment: TIN OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-187-2351, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-187-2351
Primary Part Number940-13
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Overall Diameter0.375 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Peripheral Shape StyleROUND
Thickness0.035 INCHES NOMINAL IN
Hole Diameter0.093 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Surface TreatmentTIN OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5915-00-500-99852920137-13 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4920-01-299-963694013 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
5330-01-316-2543940-13 INTERCHANGEABLE
Ring,wiper
Liftking Manufacturing Corp
6150-01-416-986894013 INTERCHANGEABLE
Cable Assembly,special Purpose,e
United Western Technologies Corp.
7610-01-450-8627 INTERCHANGEABLE
Book
Cross-Reference Index
Part NumberManufacturer
940-13 Department of the Air Force (USA)
Related Parts
5915-00-500-9985INTERCHANGEABLE
FILTER,BAND PASS
2920137-13
4920-01-299-9636INTERCHANGEABLE
TEST PROGRAM SET
94013
5330-01-316-2543INTERCHANGEABLE
RING,WIPER
940-13
6150-01-416-9868INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
94013
7610-01-450-8627INTERCHANGEABLE
BOOK

Frequently Asked Questions

What is NSN 5310-00-187-2351?

NSN 5310-00-187-2351 is a Washer,flat, manufactured by Department of the Air Force, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-187-2351?

NSN 5310-00-187-2351 has 1 cross-referenced part number: 940-13 (Department of the Air Force).

What NSN replaces 5310-00-187-2351?

There are 5 known substitutes for 5310-00-187-2351: 5915-00-500-9985, 4920-01-299-9636, 5330-01-316-2543 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 940-13?

Key specifications for 940-13: Overall Diameter: 0.375 INCHES NOMINAL IN; Material: STEEL OVERALL; Peripheral Shape Style: ROUND; Thickness: 0.035 INCHES NOMINAL IN. 8 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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