PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

88564Washer,key

Cole Hersee Company · NSN 5310-01-129-9829 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-129-9829 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-129-9829. Primary manufacturer part number: 88564.
Features
  • Washer,key — FSC 5310
  • Material: STEEL OVERALL
  • Distance From Centerline to Inside of Prebent Key: 0.360 INCHES NOMINAL IN
  • Material Thickness: 0.035 INCHES NOMINAL IN
  • Style Designator: KEY
  • Outside Diameter: 0.720 INCHES NOMINAL IN
  • External Prebent Key Length: 0.040 INCHES NOMINAL IN
  • Distance From Centerline to Top of Internal Key: 0.210 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-01-129-9829, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cole Hersee Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-129-9829
Primary Part Number88564
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCole Hersee Company
StatusACTIVE
MaterialSTEEL OVERALL
Distance From Centerline to Inside of Prebent Key0.360 INCHES NOMINAL IN
Material Thickness0.035 INCHES NOMINAL IN
Style DesignatorKEY
Outside Diameter0.720 INCHES NOMINAL IN
External Prebent Key Length0.040 INCHES NOMINAL IN
Distance From Centerline to Top of Internal Key0.210 INCHES NOMINAL IN
Internal Straight Key Width0.060 INCHES NOMINAL IN
External Prebent Key Width0.110 INCHES NOMINAL IN
Overall Distance Including Keys0.750 INCHES NOMINAL IN
Hole Diameter0.480 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4720-00-101-1476 INTERCHANGEABLE
Hose,preformed
4720-01-267-9420 INTERCHANGEABLE
Hose Assembly,nonmetallic
2815-01-304-0249 INTERCHANGEABLE
Cover,engine
5330-01-530-1140060008639 INTERCHANGEABLE
Seal,fluororing Assembly
Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions
Cross-Reference Index
Part NumberManufacturer
88564 PRIMARY Cole Hersee Company (USA)
Related Parts
4720-00-101-1476INTERCHANGEABLE
HOSE,PREFORMED
4720-01-267-9420INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2815-01-304-0249INTERCHANGEABLE
COVER,ENGINE
5330-01-530-1140INTERCHANGEABLE
SEAL,FLUORORING ASSEMBLY
060008639

Frequently Asked Questions

What is NSN 5310-01-129-9829?

NSN 5310-01-129-9829 is a Washer,key, manufactured by Cole Hersee Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-129-9829?

NSN 5310-01-129-9829 has 1 cross-referenced part number: 88564 (Cole Hersee Company).

What NSN replaces 5310-01-129-9829?

There are 4 known substitutes for 5310-01-129-9829: 4720-00-101-1476, 4720-01-267-9420, 2815-01-304-0249 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 88564?

Key specifications for 88564: Material: STEEL OVERALL; Distance From Centerline to Inside of Prebent Key: 0.360 INCHES NOMINAL IN; Material Thickness: 0.035 INCHES NOMINAL IN; Style Designator: KEY. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com