PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501-6603017PC140Washer Blank

Naval Ship Systems Command · NSN 5310-01-279-6783 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-279-6783 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-279-6783. Primary manufacturer part number: 501-6603017PC140.
Features
  • Washer Blank — FSC 5310
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Material: STEEL OVERALL
  • Criticality Code Justification: ZZZY
  • Peripheral Shape Style: ROUND
  • 4 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer Blank, cataloged under National Stock Number 5310-01-279-6783, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-279-6783
Primary Part Number501-6603017PC140
Item NameWasher Blank
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MaterialSTEEL OVERALL
Criticality Code JustificationZZZY
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-01-274-8683 INTERCHANGEABLE
Adapter,socket Wrench
5310-01-332-0813 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
501-6603017PC140 Naval Ship Systems Command (USA)
114B8908PC2 Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory (USA)
501-6603017PC126 Naval Sea Systems Command (USA)
E-126400PC7 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5120-01-274-8683INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5310-01-332-0813INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-01-279-6783?

NSN 5310-01-279-6783 is a Washer Blank, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-279-6783?

NSN 5310-01-279-6783 has 4 cross-referenced part numbers: 501-6603017PC140 (Naval Ship Systems Command), 114B8908PC2 (Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory), 501-6603017PC126 (Naval Sea Systems Command), E-126400PC7 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5310-01-279-6783?

There are 2 known substitutes for 5310-01-279-6783: 5120-01-274-8683, 5310-01-332-0813. Verify interchangeability with system specifications before substitution.

What are the specifications of 501-6603017PC140?

Key specifications for 501-6603017PC140: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Material: STEEL OVERALL; Criticality Code Justification: ZZZY; Peripheral Shape Style: ROUND. 4 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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