PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12569613-1Washer,flat

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-01-379-0804 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-379-0804 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-379-0804. Primary manufacturer part number: 12569613-1.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL COMP 1050 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
  • Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
  • Surface Treatment: ZINC AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: ASTM B633,TYPE 2,CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Thickness: 0.089 INCHES NOMINAL IN
  • Hole Diameter: 0.281 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1050 or Steel Comp 4130 or Steel Comp 4140 or Steel Comp 8640 or Steel Comp 8740 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-379-0804, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-379-0804
Primary Part Number12569613-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
MaterialSTEEL COMP 1050 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
Hardness Rating33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Surface TreatmentZINC AND CHROMATE OVERALL
Surface Treatment Document and ClassificationASTM B633,TYPE 2,CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thickness0.089 INCHES NOMINAL IN
Hole Diameter0.281 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Overall Diameter0.500 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-964-341510910174-19 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-676-196612569613-48 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-710-968712569613-28 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-725-417212569613-4 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-729-268312569613-33 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-729-604212569613-3 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-731-289012569613-16 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-731-290612569613-5 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
5310013790804 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
12569613-1 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
12569613 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
12387327-1 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
12387327 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5310-00-964-3415INTERCHANGEABLE
WASHER,FLAT
10910174-19
5310-01-676-1966INTERCHANGEABLE
WASHER,FLAT
12569613-48
5310-01-710-9687INTERCHANGEABLE
WASHER,FLAT
12569613-28
5310-01-725-4172INTERCHANGEABLE
WASHER,FLAT
12569613-4
5310-01-729-2683INTERCHANGEABLE
WASHER,FLAT
12569613-33
5310-01-729-6042INTERCHANGEABLE
WASHER,FLAT
12569613-3
5310-01-731-2890INTERCHANGEABLE
WASHER,FLAT
12569613-16
5310-01-731-2906INTERCHANGEABLE
WASHER,FLAT
12569613-5

Frequently Asked Questions

What is NSN 5310-01-379-0804?

NSN 5310-01-379-0804 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-379-0804?

NSN 5310-01-379-0804 has 5 cross-referenced part numbers: 5310013790804 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 12569613-1 (U S Army Tank Automotive Command Amsta-Im-Mm), 12569613 (U S Army Tank Automotive Command Amsta-Im-Mm), 12387327-1 (U S Army Tank Automotive Command Amsta-Im-Mm), 12387327 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5310-01-379-0804?

There are 8 known substitutes for 5310-01-379-0804: 5310-00-964-3415, 5310-01-676-1966, 5310-01-710-9687 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12569613-1?

Key specifications for 12569613-1: Material: STEEL COMP 1050 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL; End Item Identification: MRAP-RG-33 ARMORED UTILITY VEHICLE (AUV); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Surface Treatment: ZINC AND CHROMATE OVERALL. 11 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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