PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34545Washer,flat

Concord Instruments Corp · NSN 5310-00-480-1972 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-480-1972 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-480-1972. Primary manufacturer part number: 34545.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM
  • Material: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Thickness: 0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Natural or Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-480-1972, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Concord Instruments Corp. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-480-1972
Primary Part Number34545
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerConcord Instruments Corp
StatusACTIVE
Overall Diameter0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Hardness Rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM
MaterialRUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Thickness0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Hole Diameter0.112 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-252-40781178 INTERCHANGEABLE
Washer,flat
Wisconsin Motors, Llc
3020-01-441-4299 INTERCHANGEABLE
Gear,helical
5315-01-525-369734545 INTERCHANGEABLE
Nail
Hilti Inc
5120-01-652-0431 INTERCHANGEABLE
Wrench,wheel Stud Nut,geared Soc
Cross-Reference Index
Part NumberManufacturer
34545 Concord Instruments Corp (USA)
Related Parts
5310-00-252-4078INTERCHANGEABLE
WASHER,FLAT
1178
3020-01-441-4299INTERCHANGEABLE
GEAR,HELICAL
5315-01-525-3697INTERCHANGEABLE
NAIL
34545
5120-01-652-0431INTERCHANGEABLE
WRENCH,WHEEL STUD NUT,GEARED SOC

Frequently Asked Questions

What is NSN 5310-00-480-1972?

NSN 5310-00-480-1972 is a Washer,flat, manufactured by Concord Instruments Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-480-1972?

NSN 5310-00-480-1972 has 1 cross-referenced part number: 34545 (Concord Instruments Corp).

What NSN replaces 5310-00-480-1972?

There are 4 known substitutes for 5310-00-480-1972: 5310-00-252-4078, 3020-01-441-4299, 5315-01-525-3697 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34545?

Key specifications for 34545: Overall Diameter: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM; Material: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL; Center Hole 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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