PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

938A813-90Washer,key

Fluor Marine Propulsion, Llc · NSN 5310-01-103-8839 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-103-8839 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-103-8839. Primary manufacturer part number: 938A813-90.
Features
  • Washer,key — FSC 5310
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • 5 verified cross-references
  • Primary manufacturer: Fluor Marine Propulsion, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,key, cataloged under National Stock Number 5310-01-103-8839, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-103-8839
Primary Part Number938A813-90
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFluor Marine Propulsion, Llc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-186-0965 INTERCHANGEABLE
Washer,key
5310-00-637-3110 INTERCHANGEABLE
Washer,key
5310-00-638-9783 INTERCHANGEABLE
Washer,flat
5961-00-788-2287W06 INTERCHANGEABLE
Rectifier
General Semiconductor Inc
5310-01-064-7700MCF13373 INTERCHANGEABLE
Washer,lock
Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
5310-01-065-5946155206 INTERCHANGEABLE
Washer,key
Cone Drive Operations Inc
5310-01-141-8430W-06 INTERCHANGEABLE
Washer,key
Hamilton Sundstrand Corporation
5310-01-173-3468 INTERCHANGEABLE
Washer,lock
5310-01-309-0001 INTERCHANGEABLE
Washer,key
5310-01-315-6821820-4551454-H01 INTERCHANGEABLE
Washer,key
Northrop Grumman Systems Corporation Div Marine Systems
Cross-Reference Index
Part NumberManufacturer
938A813-90 Fluor Marine Propulsion, Llc (USA)
W-06 Anti-Friction Bearing Mfg Assn Inc the (USA)
8710A21 Cbs Broadcasting Inc. Dba Cbs Div Bechtel Plant Machinery Inc. - Pittsburgh (USA)
1155F20-77 Fluor Marine Propulsion, Llc (USA)
1169J20 PIECE 25 Fluor Marine Propulsion, Llc (USA)
Related Parts
5310-00-186-0965INTERCHANGEABLE
WASHER,KEY
5310-00-637-3110INTERCHANGEABLE
WASHER,KEY
5310-00-638-9783INTERCHANGEABLE
WASHER,FLAT
5961-00-788-2287INTERCHANGEABLE
RECTIFIER
W06
5310-01-064-7700INTERCHANGEABLE
WASHER,LOCK
MCF13373
5310-01-065-5946INTERCHANGEABLE
WASHER,KEY
155206
5310-01-141-8430INTERCHANGEABLE
WASHER,KEY
W-06
5310-01-173-3468INTERCHANGEABLE
WASHER,LOCK
5310-01-309-0001INTERCHANGEABLE
WASHER,KEY
5310-01-315-6821INTERCHANGEABLE
WASHER,KEY
820-4551454-H01

Frequently Asked Questions

What is NSN 5310-01-103-8839?

NSN 5310-01-103-8839 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 5310-01-103-8839?

NSN 5310-01-103-8839 has 5 cross-referenced part numbers: 938A813-90 (Fluor Marine Propulsion, Llc), W-06 (Anti-Friction Bearing Mfg Assn Inc the), 8710A21 (Cbs Broadcasting Inc. Dba Cbs Div Bechtel Plant Machinery Inc. - Pittsburgh), 1155F20-77 (Fluor Marine Propulsion, Llc), 1169J20 PIECE 25 (Fluor Marine Propulsion, Llc).

What NSN replaces 5310-01-103-8839?

There are 10 known substitutes for 5310-01-103-8839: 5310-00-186-0965, 5310-00-637-3110, 5310-00-638-9783 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 938A813-90?

Key specifications for 938A813-90: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 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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