PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z10002-804Washer,key

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-045-3811 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-045-3811 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-045-3811. Primary manufacturer part number: 12Z10002-804.
Features
  • Washer,key — FSC 5310
  • Material: STEEL OVERALL
  • Overall Distance Including Keys: 1.531 INCHES MAXIMUM IN
  • Outside Diameter: 1.125 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
  • Internal Prebent Key Length: 0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
  • External Prebent Key Width: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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 5310-00-045-3811, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-045-3811
Primary Part Number12Z10002-804
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
MaterialSTEEL OVERALL
Overall Distance Including Keys1.531 INCHES MAXIMUM IN
Outside Diameter1.125 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
Internal Prebent Key Length0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
External Prebent Key Width0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorKEY
Hole Diameter0.801 INCHES MINIMUM AND 0.816 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TYOE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS 2 ASSN STD 2ND TREATMENT RESPONSE OVERALL
Internal Prebent Key Width0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Material Thickness0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
External Key Quantity11
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6650-00-021-95552022 INTERCHANGEABLE
Telescope,straight
Brunson Instrument Company Dba Brunson Instrument Company
6650-01-318-908271-2022 INTERCHANGEABLE
Telescope,straight
Keuffel and Esser Co
5970-01-374-4492712022 INTERCHANGEABLE
Insulator,plate
Ge Aviation Systems Llc
4730-01-420-9961712-022 INTERCHANGEABLE
Elbow,pipe
Malabar
Cross-Reference Index
Part NumberManufacturer
12Z10002-804 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS19070-042 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MILW21338TYPE1CLASS2SIZE04 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
12Z335-235 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
10087972 Nimikkeistokeskus Ncb Finland (FIN)
A19095-5 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
712022 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
6650-00-021-9555INTERCHANGEABLE
TELESCOPE,STRAIGHT
2022
6650-01-318-9082INTERCHANGEABLE
TELESCOPE,STRAIGHT
71-2022
5970-01-374-4492INTERCHANGEABLE
INSULATOR,PLATE
712022
4730-01-420-9961INTERCHANGEABLE
ELBOW,PIPE
712-022

Frequently Asked Questions

What is NSN 5310-00-045-3811?

NSN 5310-00-045-3811 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: cancelled.

What are the part numbers for NSN 5310-00-045-3811?

NSN 5310-00-045-3811 has 7 cross-referenced part numbers: 12Z10002-804 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS19070-042 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MILW21338TYPE1CLASS2SIZE04 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 12Z335-235 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 10087972 (Nimikkeistokeskus Ncb Finland) and 2 more.

What NSN replaces 5310-00-045-3811?

There are 4 known substitutes for 5310-00-045-3811: 6650-00-021-9555, 6650-01-318-9082, 5970-01-374-4492 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z10002-804?

Key specifications for 12Z10002-804: Material: STEEL OVERALL; Overall Distance Including Keys: 1.531 INCHES MAXIMUM IN; Outside Diameter: 1.125 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN; Internal Prebent Key Length: 0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-045-3811 still in active supply?

NSN 5310-00-045-3811 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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