PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2CR810Washer,flat

Oshkosh Defense Llc · NSN 5310-01-234-9416 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-234-9416 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-234-9416. Primary manufacturer part number: 2CR810.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment Document and Classification: ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
  • Overall Diameter: 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND A CLASS
  • Hole Diameter: 0.214 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
  • Surface Treatment: ZINC AND CHROMATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1008 or Steel Comp 1010 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-234-9416, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-234-9416
Primary Part Number2CR810
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Surface Treatment Document and ClassificationASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
Overall Diameter0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Nondefinitive Spec/std DataA TYPE AND 1 GRADE AND A CLASS
Hole Diameter0.214 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
Surface TreatmentZINC AND CHROMATE OVERALL
Peripheral Shape StyleROUND
Thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hardness Rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-044-6477 INTERCHANGEABLE
Washer,flat
5310-00-809-4058 INTERCHANGEABLE
Washer,flat
5310-01-234-9415 INTERCHANGEABLE
Washer,flat
5310-01-242-2679 INTERCHANGEABLE
Washer,flat
5310-01-266-4641 INTERCHANGEABLE
Washer,flat
5310-01-267-1685 INTERCHANGEABLE
Washer,flat
5310-01-396-5840 INTERCHANGEABLE
Washer,flat
5310-01-466-4926 INTERCHANGEABLE
Washer,flat
5310-01-477-126488-20564-15 INTERCHANGEABLE
Washer,flat
Department of Defense Project Manager-Mobile Electric Power
Cross-Reference Index
Part NumberManufacturer
2CR810 Oshkosh Defense Llc (USA)
BFVR-700-21-21N Victaulic Company of America Inc Dba Victaulic Company of America (USA)
MS51412-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-W-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5310PL0795999 Jednolity Indeks Materialowy - Uniform Material Index (POL)
88-20564-1 Department of Defense Project Manager-Mobile Electric Power (USA)
12Z22-270 Zf Industrieantriebe Witten Gmbh (DEU)
88-20564 Department of Defense Project Manager-Mobile Electric Power (USA)
6640211 FIND 26 Naval Sea Systems Command (USA)
2CR810 Oshkosh Corp (USA)
Related Parts
5310-00-044-6477INTERCHANGEABLE
WASHER,FLAT
5310-00-809-4058INTERCHANGEABLE
WASHER,FLAT
5310-01-234-9415INTERCHANGEABLE
WASHER,FLAT
5310-01-242-2679INTERCHANGEABLE
WASHER,FLAT
5310-01-266-4641INTERCHANGEABLE
WASHER,FLAT
5310-01-267-1685INTERCHANGEABLE
WASHER,FLAT
5310-01-396-5840INTERCHANGEABLE
WASHER,FLAT
5310-01-466-4926INTERCHANGEABLE
WASHER,FLAT
5310-01-477-1264INTERCHANGEABLE
WASHER,FLAT
88-20564-15

Frequently Asked Questions

What is NSN 5310-01-234-9416?

NSN 5310-01-234-9416 is a Washer,flat, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-234-9416?

NSN 5310-01-234-9416 has 10 cross-referenced part numbers: 2CR810 (Oshkosh Defense Llc), BFVR-700-21-21N (Victaulic Company of America Inc Dba Victaulic Company of America), MS51412-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-W-92 (Federal Specifications Promulgated by General Services Administration Washington DC), 5310PL0795999 (Jednolity Indeks Materialowy - Uniform Material Index) and 5 more.

What NSN replaces 5310-01-234-9416?

There are 9 known substitutes for 5310-01-234-9416: 5310-00-044-6477, 5310-00-809-4058, 5310-01-234-9415 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2CR810?

Key specifications for 2CR810: Surface Treatment Document and Classification: ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL; Overall Diameter: 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. 12 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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