PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12759-00585Washer,flat

Fastenal Company Dba Fastenal Co · NSN 5310-01-556-6655 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-556-6655 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-556-6655. Primary manufacturer part number: 12759-00585.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.531 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 1.062 INCHES NOMINAL IN
  • Thickness: 0.095 INCHES NOMINAL IN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-556-6655, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-556-6655
Primary Part Number12759-00585
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusCANCELLED
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Hole Diameter0.531 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.062 INCHES NOMINAL IN
Thickness0.095 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-258-603029820 INTERCHANGEABLE
Connector,plug,electrical
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3110-00-275-010329820 INTERCHANGEABLE
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5330-00-627-65762S1218 INTERCHANGEABLE
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Caterpillar Inc Div Caterpillar Defense
5815-00-915-2877 INTERCHANGEABLE
Spring
6515-01-116-071733800 INTERCHANGEABLE
Catheter,tracheal
Cardinal Health 200, Llc
6220-01-116-55821317-1 INTERCHANGEABLE
Light,navigational,aircraft
Control Products Corporation
5315-01-219-248533800 INTERCHANGEABLE
Pin,grooved,headed
Ridge Tool Company
6210-01-226-6440SRP90LD1MD-C1 INTERCHANGEABLE
Fixture,lighting
Abb Installation Products Inc
6520-01-371-709133800 INTERCHANGEABLE
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Almore International Inc
5210-01-428-547133-430 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
29820 Hdt Expeditionary Systems Inc (USA)
5320000074-00 Nd Defense Llc (USA)
29820 Davey Compressor Co Div of Keco Industries Inc (USA)
29820 Drs Environmental Systems Inc (USA)
29820 Bae Systems Advanced Technologies Inc Dba Bae Systems at (USA)
3011679 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
12759-00585 PRIMARY Fastenal Company Dba Fastenal Co (USA)
33800 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5935-00-258-6030INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
29820
3110-00-275-0103INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
29820
5330-00-627-6576INTERCHANGEABLE
GASKET
2S1218
5815-00-915-2877INTERCHANGEABLE
SPRING
6515-01-116-0717INTERCHANGEABLE
CATHETER,TRACHEAL
33800
6220-01-116-5582INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
1317-1
5315-01-219-2485INTERCHANGEABLE
PIN,GROOVED,HEADED
33800
6210-01-226-6440INTERCHANGEABLE
FIXTURE,LIGHTING
SRP90LD1MD-C1
6520-01-371-7091INTERCHANGEABLE
REMOVER,DENTAL CROWN
33800
5210-01-428-5471INTERCHANGEABLE
TAPE,MEASURING
33-430
5310-01-557-9450INTERCHANGEABLE
WASHER,FLAT
33861
6550-01-559-7503INTERCHANGEABLE
ASSAY,THYROXINE
33800

Frequently Asked Questions

What is NSN 5310-01-556-6655?

NSN 5310-01-556-6655 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-556-6655?

NSN 5310-01-556-6655 has 8 cross-referenced part numbers: 29820 (Hdt Expeditionary Systems Inc), 5320000074-00 (Nd Defense Llc), 29820 (Davey Compressor Co Div of Keco Industries Inc), 29820 (Drs Environmental Systems Inc), 29820 (Bae Systems Advanced Technologies Inc Dba Bae Systems at) and 3 more.

What NSN replaces 5310-01-556-6655?

There are 12 known substitutes for 5310-01-556-6655: 5935-00-258-6030, 3110-00-275-0103, 5330-00-627-6576 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12759-00585?

Key specifications for 12759-00585: Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND; Hole Diameter: 0.531 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-556-6655 still in active supply?

NSN 5310-01-556-6655 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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