PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-03Washer,key

Anti-Friction Bearing Mfg Assn Inc the · NSN 5310-01-167-8412 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-167-8412 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-167-8412. Primary manufacturer part number: W-03.
Features
  • Washer,key — FSC 5310
  • Outside Diameter: 0.938 INCHES NOMINAL IN
  • Criticality Code Justification: ZZZY
  • Overall Distance Including Keys: 1.500 INCHES NOMINAL IN
  • Hole Diameter: 0.679 INCHES NOMINAL IN
  • Material Thickness: 0.042 INCHES NOMINAL IN
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Style Designator: KEY
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,key, cataloged under National Stock Number 5310-01-167-8412, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Anti-Friction Bearing Mfg Assn Inc the. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-167-8412
Primary Part NumberW-03
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAnti-Friction Bearing Mfg Assn Inc the
StatusACTIVE
Outside Diameter0.938 INCHES NOMINAL IN
Criticality Code JustificationZZZY
Overall Distance Including Keys1.500 INCHES NOMINAL IN
Hole Diameter0.679 INCHES NOMINAL IN
Material Thickness0.042 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Style DesignatorKEY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-186-0962 INTERCHANGEABLE
Washer,key
5310-00-209-5238382176 INTERCHANGEABLE
Washer,flat
Simmonds Precision Products Inc
5340-01-476-3831W03 INTERCHANGEABLE
Strap,webbing
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
W-03 Anti-Friction Bearing Mfg Assn Inc the (USA)
A-44-2057 Hammel Dahl Inc (USA)
Related Parts
5310-00-186-0962INTERCHANGEABLE
WASHER,KEY
5310-00-209-5238INTERCHANGEABLE
WASHER,FLAT
382176
5340-01-476-3831INTERCHANGEABLE
STRAP,WEBBING
W03

Frequently Asked Questions

What is NSN 5310-01-167-8412?

NSN 5310-01-167-8412 is a Washer,key, manufactured by Anti-Friction Bearing Mfg Assn Inc the, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-167-8412?

NSN 5310-01-167-8412 has 2 cross-referenced part numbers: W-03 (Anti-Friction Bearing Mfg Assn Inc the), A-44-2057 (Hammel Dahl Inc).

What NSN replaces 5310-01-167-8412?

There are 3 known substitutes for 5310-01-167-8412: 5310-00-186-0962, 5310-00-209-5238, 5340-01-476-3831. Verify interchangeability with system specifications before substitution.

What are the specifications of W-03?

Key specifications for W-03: Outside Diameter: 0.938 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Overall Distance Including Keys: 1.500 INCHES NOMINAL IN; Hole Diameter: 0.679 INCHES NOMINAL IN. 7 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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