PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8756580Nut,self-Locking,extended Washer

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-655-9863 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-655-9863 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-655-9863. Primary manufacturer part number: 8756580.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Thread Class: 3B
  • Thread Series: UNF
  • Nominal Thread Size: 0.562 INCHES IN
  • Thread Quantity Per Inch: 18
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
  • Washer Thickness: 0.112 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
  • Material Document and Classification: ASTMA108 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1040 or Steel Comp 1045 or Steel Comp 1050 or Steel Comp 1137 or Steel Comp 1141 Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-655-9863, 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 14 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
NSN5310-00-655-9863
Primary Part Number8756580
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Thread Class3B
Thread SeriesUNF
Nominal Thread Size0.562 INCHES IN
Thread Quantity Per Inch18
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Washer Thickness0.112 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
Material Document and ClassificationASTMA108 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nut StyleDOUBLE HEXAGON
Width Across Flats0.674 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Washer Outside Diameter0.958 INCHES MINIMUM AND 0.979 INCHES MAXIMUM IN
MaterialSTEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1137 OR STEEL COMP 1141 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2510-00-103-9272 INTERCHANGEABLE
Roller,subassembly
6810-00-123-7047 INTERCHANGEABLE
Amyl Acetate
5962-00-191-7828600A8 INTERCHANGEABLE
Microcircuit,digital
Cardwell Condenser Corp Lapointe-Admiral Div
5962-00-448-94412605883-7 INTERCHANGEABLE
Microcircuit,digital
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5331-00-599-796525883 INTERCHANGEABLE
O-Ring
Hamilton Sundstrand Corporation
3439-00-767-91269094 INTERCHANGEABLE
Soldering Aid Tool
Gc/waldom Inc
2920-00-864-395590-94 INTERCHANGEABLE
Parts Kit,engine Generator
Prestolite Electric Inc
3030-00-872-6366 INTERCHANGEABLE
Belt,round
5950-00-978-4133T055-101-0001 INTERCHANGEABLE
Transformer,power
L3harris Interstate Electronics Corporation
5962-01-154-239524-469094 INTERCHANGEABLE
Microcircuit,digital
Analogic Corp Data Precision Div
Cross-Reference Index
Part NumberManufacturer
K.M113.CAT-T130.00.001 CAGE A3JLJ
9094 Plesium SL (ESP)
8756580 N. Papadop0ulos & Co Oe. (GRC)
11.04.03.02 Anortec SL (ESP)
93127017 Grupo De Ingenieria Reconstruccion Y Recambios Jpg Sa (ESP)
8756580 Fnss Savunma Sistemleri Anonim Sirketi (TUR)
8756580 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5310006559863 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
Related Parts
2510-00-103-9272INTERCHANGEABLE
ROLLER,SUBASSEMBLY
6810-00-123-7047INTERCHANGEABLE
AMYL ACETATE
5962-00-191-7828INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
600A8
5962-00-448-9441INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2605883-7
5331-00-599-7965INTERCHANGEABLE
O-RING
25883
3439-00-767-9126INTERCHANGEABLE
SOLDERING AID TOOL
9094
2920-00-864-3955INTERCHANGEABLE
PARTS KIT,ENGINE GENERATOR
90-94
3030-00-872-6366INTERCHANGEABLE
BELT,ROUND
5950-00-978-4133INTERCHANGEABLE
TRANSFORMER,POWER
T055-101-0001
5962-01-154-2395INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
24-469094
5330-01-250-0574INTERCHANGEABLE
GASKET
5330-01-276-8477INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5310-00-655-9863?

NSN 5310-00-655-9863 is a Nut,self-Locking,extended Washer, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-655-9863?

NSN 5310-00-655-9863 has 8 cross-referenced part numbers: K.M113.CAT-T130.00.001, 9094 (Plesium SL), 8756580 (N. Papadop0ulos & Co Oe.), 11.04.03.02 (Anortec SL), 93127017 (Grupo De Ingenieria Reconstruccion Y Recambios Jpg Sa) and 3 more.

What NSN replaces 5310-00-655-9863?

There are 12 known substitutes for 5310-00-655-9863: 2510-00-103-9272, 6810-00-123-7047, 5962-00-191-7828 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8756580?

Key specifications for 8756580: Thread Class: 3B; Thread Series: UNF; Nominal Thread Size: 0.562 INCHES IN; Thread Quantity Per Inch: 18. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-655-9863 still in active supply?

NSN 5310-00-655-9863 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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