PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

900873-11Washer,lock

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5310-00-167-0673 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-167-0673 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-167-0673. Primary manufacturer part number: 900873-11.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: COPPER ALLOY 510 OVERALL
  • Outside Diameter: 0.678 INCHES MAXIMUM IN
  • Hole Diameter: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 510 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-167-0673, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-167-0673
Primary Part Number900873-11
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Material Thickness0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Material Document and ClassificationQQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialCOPPER ALLOY 510 OVERALL
Outside Diameter0.678 INCHES MAXIMUM IN
Hole Diameter0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-184-8971MS35338-103 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
900873-11 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
AN935B616L Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5310-00-184-8971INTERCHANGEABLE
WASHER,LOCK
MS35338-103

Frequently Asked Questions

What is NSN 5310-00-167-0673?

NSN 5310-00-167-0673 is a Washer,lock, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-167-0673?

NSN 5310-00-167-0673 has 2 cross-referenced part numbers: 900873-11 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), AN935B616L (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5310-00-167-0673?

There is 1 known substitute for 5310-00-167-0673: 5310-00-184-8971. Verify interchangeability with system specifications before substitution.

What are the specifications of 900873-11?

Key specifications for 900873-11: Material Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material: COPPER ALLOY 510 OVERALL. 8 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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