PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

850-0025Washer,lock

Cummins Power Generation Inc. · NSN 5310-00-624-0442 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-624-0442 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-624-0442. Primary manufacturer part number: 850-0025.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.188 INCHES NOMINAL IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.287 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Material Thickness: 0.046 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Cummins Power Generation Inc.
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 5310-00-624-0442, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-624-0442
Primary Part Number850-0025
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Power Generation Inc.
StatusACTIVE
Hole Diameter0.188 INCHES NOMINAL IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.287 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Material Thickness0.046 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5975-00-340-28252137B INTERCHANGEABLE
Plate,wall,electrical
Cooper Wiring Devices Inc.
5865-00-714-500085025 INTERCHANGEABLE
Waveguide Assy
L3harris Technologies, Inc Div Space & Airborne Systems
4320-01-215-918685025 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Magnetic Seal Llc
6625-01-423-507485025 INTERCHANGEABLE
Generator,signal
Dynatron Systems Corporation
5310-01-678-80814416677 INTERCHANGEABLE
Washer,split
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
850-25 Cummins Power Generation Inc. (USA)
850-0025 PRIMARY Cummins Power Generation Inc. (USA)
Related Parts
5975-00-340-2825INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
2137B
5865-00-714-5000INTERCHANGEABLE
WAVEGUIDE ASSY
85025
4320-01-215-9186INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
85025
6625-01-423-5074INTERCHANGEABLE
GENERATOR,SIGNAL
85025
5310-01-678-8081INTERCHANGEABLE
WASHER,SPLIT
4416677

Frequently Asked Questions

What is NSN 5310-00-624-0442?

NSN 5310-00-624-0442 is a Washer,lock, manufactured by Cummins Power Generation Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-624-0442?

NSN 5310-00-624-0442 has 2 cross-referenced part numbers: 850-25 (Cummins Power Generation Inc.), 850-0025 (Cummins Power Generation Inc.).

What NSN replaces 5310-00-624-0442?

There are 5 known substitutes for 5310-00-624-0442: 5975-00-340-2825, 5865-00-714-5000, 4320-01-215-9186 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 850-0025?

Key specifications for 850-0025: Hole Diameter: 0.188 INCHES NOMINAL IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.287 INCHES NOMINAL 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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