PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2010131Washer,lock

Metcalf Machine Inc · NSN 5310-00-120-2113 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-120-2113 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-120-2113. Primary manufacturer part number: 2010131.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 1.085 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Hole Diameter: 0.634 INCHES NOMINAL IN
  • Material Thickness: 0.156 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • 1 verified cross-reference
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 5310-00-120-2113, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Metcalf Machine Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5310-00-120-2113
Primary Part Number2010131
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMetcalf Machine Inc
StatusACTIVE
Outside Diameter1.085 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Hole Diameter0.634 INCHES NOMINAL IN
Material Thickness0.156 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-488-86669223307 INTERCHANGEABLE
Contact,electrical
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
2520-00-692-6261201013-1 INTERCHANGEABLE
Propeller Shaft with Universal J
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
Cross-Reference Index
Part NumberManufacturer
2010131 Metcalf Machine Inc (USA)
Related Parts
5999-00-488-8666INTERCHANGEABLE
CONTACT,ELECTRICAL
9223307
2520-00-692-6261INTERCHANGEABLE
PROPELLER SHAFT WITH UNIVERSAL J
201013-1

Frequently Asked Questions

What is NSN 5310-00-120-2113?

NSN 5310-00-120-2113 is a Washer,lock, manufactured by Metcalf Machine Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-120-2113?

NSN 5310-00-120-2113 has 1 cross-referenced part number: 2010131 (Metcalf Machine Inc).

What NSN replaces 5310-00-120-2113?

There are 2 known substitutes for 5310-00-120-2113: 5999-00-488-8666, 2520-00-692-6261. Verify interchangeability with system specifications before substitution.

What are the specifications of 2010131?

Key specifications for 2010131: Outside Diameter: 1.085 INCHES NOMINAL IN; Material: STEEL OVERALL; Hole Diameter: 0.634 INCHES NOMINAL IN; Material Thickness: 0.156 INCHES NOMINAL IN. 6 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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