PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12500835Washer,lock

Klein Marine Systems Inc · NSN 5310-01-508-8922 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-508-8922 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-508-8922. Primary manufacturer part number: 12500835.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 10.7 MILLIMETERS NOMINAL MM
  • Outside Diameter: 18.1 MILLIMETERS NOMINAL MM
  • Hardness Rating: 85.0 ROCKWELL B NOMINAL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL COMP 316 OVERALL
  • Material Thickness: 2.2 MILLIMETERS NOMINAL MM
  • 5 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-508-8922, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Klein Marine Systems Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5310-01-508-8922
Primary Part Number12500835
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKlein Marine Systems Inc
StatusACTIVE
Hole Diameter10.7 MILLIMETERS NOMINAL MM
Outside Diameter18.1 MILLIMETERS NOMINAL MM
Hardness Rating85.0 ROCKWELL B NOMINAL
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL COMP 316 OVERALL
Material Thickness2.2 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-068-354610687336 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
5940-00-271-3738816-169 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
Cross-Reference Index
Part NumberManufacturer
12500835 PRIMARY Klein Marine Systems Inc (USA)
92153A434 Mcmaster-Carr Supply Co (USA)
12500835 L-3 Communications Australia P/l (AUS)
12500835 L3harris Imsa Systems Australia Pty Ltd L3harris Integrated Mission (AUS)
DIN 127B Din Deutsches Institut Fur Normung Ev (DEU)
Related Parts
5935-00-068-3546INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
10687336
5940-00-271-3738INTERCHANGEABLE
TERMINAL,LUG
816-169

Frequently Asked Questions

What is NSN 5310-01-508-8922?

NSN 5310-01-508-8922 is a Washer,lock, manufactured by Klein Marine Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-508-8922?

NSN 5310-01-508-8922 has 5 cross-referenced part numbers: 12500835 (Klein Marine Systems Inc), 92153A434 (Mcmaster-Carr Supply Co), 12500835 (L-3 Communications Australia P/l), 12500835 (L3harris Imsa Systems Australia Pty Ltd L3harris Integrated Mission), DIN 127B (Din Deutsches Institut Fur Normung Ev).

What NSN replaces 5310-01-508-8922?

There are 2 known substitutes for 5310-01-508-8922: 5935-00-068-3546, 5940-00-271-3738. Verify interchangeability with system specifications before substitution.

What are the specifications of 12500835?

Key specifications for 12500835: Hole Diameter: 10.7 MILLIMETERS NOMINAL MM; Outside Diameter: 18.1 MILLIMETERS NOMINAL MM; End Item Identification: SQH-4B TOWFISH; MRAP - M-ATV DV178; LOGISTICS SUPPORT VESSEL; Hardness Rating: 85.0 ROCKWELL B NOMINAL. 8 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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