PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z10002-8Washer,key

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-186-0999 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-186-0999 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-186-0999. Primary manufacturer part number: 12Z10002-8.
Features
  • Washer,key — FSC 5310
  • Internal Prebent Key Width: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
  • Outside Diameter: 1.813 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
  • Hole Diameter: 1.396 INCHES MINIMUM AND 1.416 INCHES MAXIMUM IN
  • Style Designator: KEY
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
  • Material Thickness: 0.050 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-186-0999, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-186-0999
Primary Part Number12Z10002-8
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Internal Prebent Key Width0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Outside Diameter1.813 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
Hole Diameter1.396 INCHES MINIMUM AND 1.416 INCHES MAXIMUM IN
Style DesignatorKEY
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
Material Thickness0.050 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
External Prebent Key Width0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
Overall Distance Including Keys2.250 INCHES NOMINAL IN
External Key Quantity15
Internal Prebent Key Length0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-008-5904 INTERCHANGEABLE
Washer,key
5310-00-150-3963 INTERCHANGEABLE
Washer,key
5310-00-151-5545 INTERCHANGEABLE
Washer,key
5310-00-159-6282 INTERCHANGEABLE
Washer,key
5310-00-159-6283 INTERCHANGEABLE
Washer,key
5310-00-159-6495 INTERCHANGEABLE
Washer,key
5310-00-165-8392 INTERCHANGEABLE
Washer,key
5310-00-177-7684 INTERCHANGEABLE
Washer,key
5310-00-186-0966 INTERCHANGEABLE
Washer,key
5310-00-186-0980 INTERCHANGEABLE
Washer,key
Cross-Reference Index
Part NumberManufacturer
0369-8 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
MILW21338 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
12Z10002-8 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS19070-073 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
W07STAINLESSSTEELIMMUNIZED PRIMARY Whittet-Higgins Company (USA)
Related Parts
5310-00-008-5904INTERCHANGEABLE
WASHER,KEY
5310-00-150-3963INTERCHANGEABLE
WASHER,KEY
5310-00-151-5545INTERCHANGEABLE
WASHER,KEY
5310-00-159-6282INTERCHANGEABLE
WASHER,KEY
5310-00-159-6283INTERCHANGEABLE
WASHER,KEY
5310-00-159-6495INTERCHANGEABLE
WASHER,KEY
5310-00-165-8392INTERCHANGEABLE
WASHER,KEY
5310-00-177-7684INTERCHANGEABLE
WASHER,KEY
5310-00-186-0966INTERCHANGEABLE
WASHER,KEY
5310-00-186-0980INTERCHANGEABLE
WASHER,KEY
5310-00-186-1071INTERCHANGEABLE
WASHER,KEY
5310-00-186-1092INTERCHANGEABLE
WASHER,KEY
888737-62

Frequently Asked Questions

What is NSN 5310-00-186-0999?

NSN 5310-00-186-0999 is a Washer,key, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-186-0999?

NSN 5310-00-186-0999 has 5 cross-referenced part numbers: 0369-8 (Lockheed Martin Corporation Div Rms - Mitchel Field), MILW21338 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 12Z10002-8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS19070-073 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), W07STAINLESSSTEELIMMUNIZED (Whittet-Higgins Company).

What NSN replaces 5310-00-186-0999?

There are 12 known substitutes for 5310-00-186-0999: 5310-00-008-5904, 5310-00-150-3963, 5310-00-151-5545 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z10002-8?

Key specifications for 12Z10002-8: Internal Prebent Key Width: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN; Outside Diameter: 1.813 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN; Hole Diameter: 1.396 INCHES MINIMUM AND 1.416 INCHES MAXIMUM IN; Style Designator: KEY. 12 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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