PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

940-316Washer,flat

Botoman Mfg Co Inc · NSN 5310-00-187-2337 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-187-2337 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-187-2337. Primary manufacturer part number: 940-316.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Thickness: 0.049 INCHES NOMINAL IN
  • Surface Treatment: TIN OVERALL
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
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 5310-00-187-2337, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Botoman Mfg Co Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-187-2337
Primary Part Number940-316
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBotoman Mfg Co Inc
StatusACTIVE
Hole Diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thickness0.049 INCHES NOMINAL IN
Surface TreatmentTIN OVERALL
Peripheral Shape StyleROUND
Overall Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5133-00-189-9189 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
940-316 Botoman Mfg Co Inc (USA)
940-316 Department of the Air Force (USA)
Related Parts
5133-00-189-9189INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5310-00-187-2337?

NSN 5310-00-187-2337 is a Washer,flat, manufactured by Botoman Mfg Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-187-2337?

NSN 5310-00-187-2337 has 2 cross-referenced part numbers: 940-316 (Botoman Mfg Co Inc), 940-316 (Department of the Air Force).

What NSN replaces 5310-00-187-2337?

There is 1 known substitute for 5310-00-187-2337: 5133-00-189-9189. Verify interchangeability with system specifications before substitution.

What are the specifications of 940-316?

Key specifications for 940-316: Hole Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Thickness: 0.049 INCHES NOMINAL IN; Surface Treatment: TIN OVERALL; Peripheral Shape Style: ROUND. 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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