PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

178474Washer,flat

Nd Defense Llc · NSN 5310-01-566-6345 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-566-6345 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-566-6345. Primary manufacturer part number: 178474.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Nd Defense Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-566-6345, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nd Defense Llc. This item has 3 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.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersNd Defense Llc (CAGE 338X5); Miller Industries Towing Equipment Inc (CAGE 32MY9)
Technical Specifications
ParameterValue
NSN5310-01-566-6345
Primary Part Number178474
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNd Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-582-5677MS15795-810 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-220-02211010496 INTERCHANGEABLE
Washer,flat
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5310-01-346-356728588R1 INTERCHANGEABLE
Washer,flat
Nd Defense Llc
5340-01-364-74731F1122-497 INTERCHANGEABLE
Cap,protective,dust and Moisture
Sebago Molders, Llc
Cross-Reference Index
Part NumberManufacturer
178474 PRIMARY Nd Defense Llc (USA)
0402110 Miller Industries Towing Equipment Inc (USA)
ESP-F-15.201-NPP Nd Defense Llc (USA)
Related Parts
5310-00-582-5677INTERCHANGEABLE
WASHER,FLAT
MS15795-810
5310-01-220-0221INTERCHANGEABLE
WASHER,FLAT
1010496
5310-01-346-3567INTERCHANGEABLE
WASHER,FLAT
28588R1
5340-01-364-7473INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
1F1122-497

Frequently Asked Questions

What is NSN 5310-01-566-6345?

NSN 5310-01-566-6345 is a Washer,flat, manufactured by Nd Defense Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-566-6345?

NSN 5310-01-566-6345 has 3 cross-referenced part numbers: 178474 (Nd Defense Llc), 0402110 (Miller Industries Towing Equipment Inc), ESP-F-15.201-NPP (Nd Defense Llc).

What NSN replaces 5310-01-566-6345?

There are 4 known substitutes for 5310-01-566-6345: 5310-00-582-5677, 5310-01-220-0221, 5310-01-346-3567 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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