PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4500291-2Washer,flat

Agco Corp Parts Opn · NSN 5310-00-352-3085 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-352-3085 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-352-3085. Primary manufacturer part number: 4500291-2.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: MIL-G-12803 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 1.625 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.031 INCHES NOMINAL IN
  • Overall Diameter: 2.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-352-3085, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Agco Corp Parts Opn. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-352-3085
Primary Part Number4500291-2
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAgco Corp Parts Opn
StatusACTIVE
Material Document and ClassificationMIL-G-12803 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Hole Diameter1.625 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.031 INCHES NOMINAL IN
Overall Diameter2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-196-0796B29.100 60-2 INTERCHANGEABLE
Chain,roller
American National Standards Institute Incorporated Dba American National Standards Institute
5307-00-533-4696B291C INTERCHANGEABLE
Stud,plain
Dresser, Llc
3040-01-065-50174500-291 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5999-01-215-598211446211 INTERCHANGEABLE
Shielding Gasket,electronic
Us Army Aviation and Missile Command
3020-01-436-0025ASME B29.1NO.100-165FT INTERCHANGEABLE
Chain,roller
The American Society of Mechanical Engineers
6130-01-443-8581B291 INTERCHANGEABLE
Power Supply
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
B291 Agco Corp Parts Opn (USA)
4500291-2 PRIMARY Agco Corp Parts Opn (USA)
BK258 Rexarc International, Inc (USA)
4500291 Agco Corp Parts Opn (USA)
Related Parts
3020-00-196-0796INTERCHANGEABLE
CHAIN,ROLLER
B29.100 60-2
5307-00-533-4696INTERCHANGEABLE
STUD,PLAIN
B291C
3040-01-065-5017INTERCHANGEABLE
CONNECTING LINK,RIGID
4500-291
5999-01-215-5982INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
11446211
3020-01-436-0025INTERCHANGEABLE
CHAIN,ROLLER
ASME B29.1NO.100-165FT
6130-01-443-8581INTERCHANGEABLE
POWER SUPPLY
B291

Frequently Asked Questions

What is NSN 5310-00-352-3085?

NSN 5310-00-352-3085 is a Washer,flat, manufactured by Agco Corp Parts Opn, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-352-3085?

NSN 5310-00-352-3085 has 4 cross-referenced part numbers: B291 (Agco Corp Parts Opn), 4500291-2 (Agco Corp Parts Opn), BK258 (Rexarc International, Inc), 4500291 (Agco Corp Parts Opn).

What NSN replaces 5310-00-352-3085?

There are 6 known substitutes for 5310-00-352-3085: 3020-00-196-0796, 5307-00-533-4696, 3040-01-065-5017 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4500291-2?

Key specifications for 4500291-2: Material Document and Classification: MIL-G-12803 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND; Hole Diameter: 1.625 INCHES NOMINAL IN; Peripheral Shape Style: ROUND. 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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