PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1175J66 ITEM 28Washer,key

Fluor Marine Propulsion, Llc · NSN 5310-01-133-1592 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-133-1592 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-133-1592. Primary manufacturer part number: 1175J66 ITEM 28.
Features
  • Washer,key — FSC 5310
  • External Key Quantity: 15
  • Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Departure From Cited Document: AS MODIFIED BY MATERIAL
  • External Prebent Key Width: 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATIONS
  • Internal Prebent Key Length: 0.093 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-01-133-1592, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fluor Marine Propulsion, Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-133-1592
Primary Part Number1175J66 ITEM 28
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFluor Marine Propulsion, Llc
StatusACTIVE
External Key Quantity15
Internal Prebent Key Width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Departure From Cited DocumentAS MODIFIED BY MATERIAL
External Prebent Key Width0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATIONS
Internal Prebent Key Length0.093 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Hole Diameter1.583 INCHES MINIMUM AND 1.603 INCHES MAXIMUM IN
Style DesignatorKEY
Special Test FeaturesSPECIAL QUALITY CONTROL TESTING
Material Thickness0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
Criticality Code JustificationZZZY
Test Data Document81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Overall Distance Including Keys2.407 INCHES MINIMUM AND 2.469 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-186-0967 INTERCHANGEABLE
Washer,key
5310-00-487-7484W0-8 INTERCHANGEABLE
Washer,flat
Honeywell Intl Inc Defense Avionics Systems
5310-01-137-5510W-08 INTERCHANGEABLE
Washer,gearbox
Alturdyne International
5310-01-355-8794W 08 INTERCHANGEABLE
Washer,lock
S K F Industries Inc
5310-01-382-3037 INTERCHANGEABLE
Washer,lock
4730-01-733-9293W08 INTERCHANGEABLE
Elbow,pipe
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
1175J66 ITEM 28 Fluor Marine Propulsion, Llc (USA)
W-08 Whittet-Higgins Company (USA)
Related Parts
5310-00-186-0967INTERCHANGEABLE
WASHER,KEY
5310-00-487-7484INTERCHANGEABLE
WASHER,FLAT
W0-8
5310-01-137-5510INTERCHANGEABLE
WASHER,GEARBOX
W-08
5310-01-355-8794INTERCHANGEABLE
WASHER,LOCK
W 08
5310-01-382-3037INTERCHANGEABLE
WASHER,LOCK
4730-01-733-9293INTERCHANGEABLE
ELBOW,PIPE
W08

Frequently Asked Questions

What is NSN 5310-01-133-1592?

NSN 5310-01-133-1592 is a Washer,key, manufactured by Fluor Marine Propulsion, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-133-1592?

NSN 5310-01-133-1592 has 2 cross-referenced part numbers: 1175J66 ITEM 28 (Fluor Marine Propulsion, Llc), W-08 (Whittet-Higgins Company).

What NSN replaces 5310-01-133-1592?

There are 6 known substitutes for 5310-01-133-1592: 5310-00-186-0967, 5310-00-487-7484, 5310-01-137-5510 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1175J66 ITEM 28?

Key specifications for 1175J66 ITEM 28: External Key Quantity: 15; Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING OVERALL; Departure From Cited Document: AS MODIFIED BY MATERIAL. 16 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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