PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

840-0500-173Washer,lock

Carver Pump Company · NSN 5310-01-424-6560 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-424-6560 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-424-6560. Primary manufacturer part number: 840-0500-173.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.869 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Material Thickness: 0.125 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Carver Pump Company
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-424-6560, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Carver Pump Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-424-6560
Primary Part Number840-0500-173
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCarver Pump Company
StatusACTIVE
Hole Diameter0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.869 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Material Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-167-08215-4-1305-114 INTERCHANGEABLE
Washer,flat
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5310-00-251-00881377A INTERCHANGEABLE
Nut,plain,hexagon
Mgm Brakes Inc Div Indian Head Industries Inc
5310-01-450-5130701-4323682 P/N 24 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
5310-01-482-0228 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
840-0500-173 Mckenna Engineering & Equipment Company, Inc. (USA)
122-2557733 PC NO. 40 Supervisor of Shipbuilding Conversion and Repair Usn (USA)
2557733 Naval Sea Systems Command (USA)
840-0500-173 PRIMARY Carver Pump Company (USA)
999-2003-0-03 ITEM 655 Carver Pump Company (USA)
Related Parts
5310-00-167-0821INTERCHANGEABLE
WASHER,FLAT
5-4-1305-114
5310-00-251-0088INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1377A
5310-01-450-5130INTERCHANGEABLE
NUT,PLAIN,HEXAGON
701-4323682 P/N 24
5310-01-482-0228INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-01-424-6560?

NSN 5310-01-424-6560 is a Washer,lock, manufactured by Carver Pump Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-424-6560?

NSN 5310-01-424-6560 has 5 cross-referenced part numbers: 840-0500-173 (Mckenna Engineering & Equipment Company, Inc.), 122-2557733 PC NO. 40 (Supervisor of Shipbuilding Conversion and Repair Usn), 2557733 (Naval Sea Systems Command), 840-0500-173 (Carver Pump Company), 999-2003-0-03 ITEM 655 (Carver Pump Company).

What NSN replaces 5310-01-424-6560?

There are 4 known substitutes for 5310-01-424-6560: 5310-00-167-0821, 5310-00-251-0088, 5310-01-450-5130 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 840-0500-173?

Key specifications for 840-0500-173: Hole Diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.869 INCHES MAXIMUM IN; Material: STEEL OVERALL. 5 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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