PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400491Washer,lock

Miller Industries Towing Equipment Inc · NSN 5310-01-703-3304 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-703-3304 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-703-3304. Primary manufacturer part number: 400491.
Features
  • Washer,lock — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Miller Industries Towing Equipment Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-703-3304, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Miller Industries Towing Equipment Inc. This item has 2 commercial cross-references from 2 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
NSN5310-01-703-3304
Primary Part Number400491
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMiller Industries Towing Equipment Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-593-82531472219 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5990-00-912-9166400491 INTERCHANGEABLE
Synchro,transmitter
Aimtron Systems, Llc
6130-01-196-8527400491 INTERCHANGEABLE
Power Supply
Dictaphone Corporation
4820-01-394-759240049-1 INTERCHANGEABLE
Valve Adapter Plate
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
400491 PRIMARY Miller Industries Towing Equipment Inc (USA)
69.BD000-2039 Rheinmetall Man Military Vehicles Gmbh (DEU)
Related Parts
5905-00-593-8253INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
1472219
5990-00-912-9166INTERCHANGEABLE
SYNCHRO,TRANSMITTER
400491
6130-01-196-8527INTERCHANGEABLE
POWER SUPPLY
400491
4820-01-394-7592INTERCHANGEABLE
VALVE ADAPTER PLATE
40049-1

Frequently Asked Questions

What is NSN 5310-01-703-3304?

NSN 5310-01-703-3304 is a Washer,lock, manufactured by Miller Industries Towing Equipment Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-703-3304?

NSN 5310-01-703-3304 has 2 cross-referenced part numbers: 400491 (Miller Industries Towing Equipment Inc), 69.BD000-2039 (Rheinmetall Man Military Vehicles Gmbh).

What NSN replaces 5310-01-703-3304?

There are 4 known substitutes for 5310-01-703-3304: 5905-00-593-8253, 5990-00-912-9166, 6130-01-196-8527 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400491?

Key specifications for 400491: Part Name Assigned by Controlling Agency: WASHER, LOCK; End Item Identification: WHEELED RECOVERY VEHICLE; Special Features: 0.5 INCH IN. 3 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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