PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-460-6Washer,lock

Dresser Industries Inc Leroi Div · NSN 5310-00-017-8591 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-017-8591 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-017-8591. Primary manufacturer part number: 20-460-6.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material Document and Classification: QQ-S-633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: FLAT EXTERNAL AND INTERNAL TEETH
  • Material: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
  • Outside Diameter: 1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
  • Hole Diameter: 0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
  • Material Thickness: 0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1065 or Steel Comp 1070 or Steel Comp 1075 or Steel Comp 1080 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-017-8591, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-017-8591
Primary Part Number20-460-6
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Surface TreatmentCADMIUM OR ZINC OVERALL
Material Document and ClassificationQQ-S-633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorFLAT EXTERNAL AND INTERNAL TEETH
MaterialSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
Outside Diameter1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
Hole Diameter0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
Material Thickness0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-022-0164204-606 INTERCHANGEABLE
Gasket,pitot and St
Aerocontrolex Group, Inc.
5310-01-556-462912759-00128 INTERCHANGEABLE
Washer,lock
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
PC178591 Power Components (deutschland) Gmbh (DEU)
20-460-6 PRIMARY Dresser Industries Inc Leroi Div (USA)
451529 General Motors Llc Dba General Motors Llc (USA)
13XX14289 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
178591 General Motors Llc Dba General Motors Llc (USA)
4024-32-00-0041 Itw Shakeproof Automotive Products (USA)
178591 General Motors Corp (USA)
451529 General Motors Corp (USA)
N25460N Diamond Reo Truck Co (USA)
BEAX8AQ1 CAGE 00000
178591 PRIMARY Rolls-Royce Solutions America Inc (USA)
Related Parts
5330-00-022-0164INTERCHANGEABLE
GASKET,PITOT AND ST
204-606
5310-01-556-4629INTERCHANGEABLE
WASHER,LOCK
12759-00128

Frequently Asked Questions

What is NSN 5310-00-017-8591?

NSN 5310-00-017-8591 is a Washer,lock, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-017-8591?

NSN 5310-00-017-8591 has 11 cross-referenced part numbers: PC178591 (Power Components (deutschland) Gmbh), 20-460-6 (Dresser Industries Inc Leroi Div), 451529 (General Motors Llc Dba General Motors Llc), 13XX14289 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), 178591 (General Motors Llc Dba General Motors Llc) and 6 more.

What NSN replaces 5310-00-017-8591?

There are 2 known substitutes for 5310-00-017-8591: 5330-00-022-0164, 5310-01-556-4629. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-460-6?

Key specifications for 20-460-6: Surface Treatment: CADMIUM OR ZINC OVERALL; Material Document and Classification: QQ-S-633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: FLAT EXTERNAL AND INTERNAL TEETH; Material: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 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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