PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203102Washer,flat

Sealcraft Corporation · NSN 5310-00-290-1445 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-290-1445 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-290-1445. Primary manufacturer part number: 203102.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 2.375 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC OVERALL
  • Hole Diameter: 1.312 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.250 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-290-1445, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sealcraft Corporation. Government technical data includes 7 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-290-1445
Primary Part Number203102
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSealcraft Corporation
StatusACTIVE
Center Hole Shape StyleROUND
Overall Diameter2.375 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC OVERALL
Hole Diameter1.312 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.250 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-071-2198203102 INTERCHANGEABLE
Nut,wheel
Sullivan-Palatek, Inc
4820-00-568-76200F0019 INTERCHANGEABLE
Disk,valve
Caterpillar Inc Div Caterpillar Defense
5935-00-869-282910215075-2 INTERCHANGEABLE
Plug,tip
Us Army Aviation and Missile Command
4510-01-258-7318 INTERCHANGEABLE
Handle,faucet
5340-01-393-8079203-102 INTERCHANGEABLE
Bracket,angle
Eldec Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
203102 PRIMARY Sealcraft Corporation (USA)
5229946 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5310-00-071-2198INTERCHANGEABLE
NUT,WHEEL
203102
4820-00-568-7620INTERCHANGEABLE
DISK,VALVE
0F0019
5935-00-869-2829INTERCHANGEABLE
PLUG,TIP
10215075-2
4510-01-258-7318INTERCHANGEABLE
HANDLE,FAUCET
5340-01-393-8079INTERCHANGEABLE
BRACKET,ANGLE
203-102

Frequently Asked Questions

What is NSN 5310-00-290-1445?

NSN 5310-00-290-1445 is a Washer,flat, manufactured by Sealcraft Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-290-1445?

NSN 5310-00-290-1445 has 2 cross-referenced part numbers: 203102 (Sealcraft Corporation), 5229946 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5310-00-290-1445?

There are 5 known substitutes for 5310-00-290-1445: 5310-00-071-2198, 4820-00-568-7620, 5935-00-869-2829 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203102?

Key specifications for 203102: Center Hole Shape Style: ROUND; Overall Diameter: 2.375 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC OVERALL; Hole Diameter: 1.312 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN. 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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