PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WA48Washer,lock

Meritor Heavy Vehicle Systems, Llc · NSN 5310-00-031-2673 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-031-2673 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-031-2673. Primary manufacturer part number: WA48.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment: CADMIUM OVERALL
  • Hole Diameter: 0.516 INCHES NOMINAL IN
  • Material Thickness: 0.155 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Outside Diameter: 0.873 INCHES NOMINAL IN
  • 3 verified cross-references
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 5310-00-031-2673, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-031-2673
Primary Part NumberWA48
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface TreatmentCADMIUM OVERALL
Hole Diameter0.516 INCHES NOMINAL IN
Material Thickness0.155 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Outside Diameter0.873 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-010-3329 INTERCHANGEABLE
Washer,lock
5120-01-473-9747WA48 INTERCHANGEABLE
Wrench,pipe
Reed Manufacturing Company
5120-01-587-957102080 INTERCHANGEABLE
Wrench,pipe
Reed Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
WALH8-3 Meritor Heavy Vehicle Systems, Llc (USA)
WA48 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
WA48 Meritor Industrial Products, Llc (USA)
Related Parts
5310-00-010-3329INTERCHANGEABLE
WASHER,LOCK
5120-01-473-9747INTERCHANGEABLE
WRENCH,PIPE
WA48
5120-01-587-9571INTERCHANGEABLE
WRENCH,PIPE
02080

Frequently Asked Questions

What is NSN 5310-00-031-2673?

NSN 5310-00-031-2673 is a Washer,lock, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-031-2673?

NSN 5310-00-031-2673 has 3 cross-referenced part numbers: WALH8-3 (Meritor Heavy Vehicle Systems, Llc), WA48 (Meritor Heavy Vehicle Systems, Llc), WA48 (Meritor Industrial Products, Llc).

What NSN replaces 5310-00-031-2673?

There are 3 known substitutes for 5310-00-031-2673: 5310-00-010-3329, 5120-01-473-9747, 5120-01-587-9571. Verify interchangeability with system specifications before substitution.

What are the specifications of WA48?

Key specifications for WA48: Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment: CADMIUM OVERALL; Hole Diameter: 0.516 INCHES NOMINAL IN; Material Thickness: 0.155 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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