PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS45904-88Washer,lock

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-017-8607 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-017-8607 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-017-8607. Primary manufacturer part number: MS45904-88.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT EXTERNAL AND INTERNAL TEETH
  • Hole Diameter: 0.576 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1050 OR STEEL COMP 1566 OVERALL
  • Material Thickness: 0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
  • Outside Diameter: 1.290 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1050 or Steel Comp 1566 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-017-8607, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-017-8607
Primary Part NumberMS45904-88
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Style DesignatorFLAT EXTERNAL AND INTERNAL TEETH
Hole Diameter0.576 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1050 OR STEEL COMP 1566 OVERALL
Material Thickness0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
Outside Diameter1.290 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3030-00-757-721517405-3 INTERCHANGEABLE
Belts,v,matched Set
Contitech Usa, Inc Dba Veyance Technologies
1660-00-887-4285 INTERCHANGEABLE
Control Box,electro
5305-00-996-3502178607 INTERCHANGEABLE
Screw,shoulder
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
MS45904-88 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
178607 General Motors Corp (USA)
178607 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
3030-00-757-7215INTERCHANGEABLE
BELTS,V,MATCHED SET
17405-3
1660-00-887-4285INTERCHANGEABLE
CONTROL BOX,ELECTRO
5305-00-996-3502INTERCHANGEABLE
SCREW,SHOULDER
178607

Frequently Asked Questions

What is NSN 5310-00-017-8607?

NSN 5310-00-017-8607 is a Washer,lock, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-017-8607?

NSN 5310-00-017-8607 has 3 cross-referenced part numbers: MS45904-88 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 178607 (General Motors Corp), 178607 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5310-00-017-8607?

There are 3 known substitutes for 5310-00-017-8607: 3030-00-757-7215, 1660-00-887-4285, 5305-00-996-3502. Verify interchangeability with system specifications before substitution.

What are the specifications of MS45904-88?

Key specifications for MS45904-88: Style Designator: FLAT EXTERNAL AND INTERNAL TEETH; Hole Diameter: 0.576 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN; Surface Treatment: CADMIUM OR ZINC OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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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