PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ESP-F-1.321-PPWasher,lock

Nd Defense Llc · NSN 5310-00-017-8627 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-017-8627 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-017-8627. Primary manufacturer part number: ESP-F-1.321-PP.
Features
  • Washer,lock — FSC 5310
  • 13 verified cross-references
  • Primary manufacturer: Nd Defense Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-017-8627, 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 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersNd Defense Llc (CAGE 338X5); Asrc Federal Facilities Logistics, Llc (CAGE 79343); Itw Shakeproof Automotive Products (CAGE 78189); Federal Specifications Promulgated by General Services Administration Washington DC (CAGE 81348); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN5310-00-017-8627
Primary Part NumberESP-F-1.321-PP
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNd Defense Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4810-00-018-3825 INTERCHANGEABLE
Valve,butterfly
5310-00-019-0676MS35333-109 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-022-8834NASM35333-108 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-022-8847MS35333-110 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-061-1258 INTERCHANGEABLE
Washer,lock
5960-00-107-758322004 INTERCHANGEABLE
Electron Tube
Gaf Corp
5310-00-188-0473 INTERCHANGEABLE
Washer,lock
5310-00-198-9343 INTERCHANGEABLE
Washer,lock
5310-00-282-9059373-0083-000 INTERCHANGEABLE
Washer,lock
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
1005-00-288-6217189F585 INTERCHANGEABLE
Rounds Limiter and Totalizer
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Cross-Reference Index
Part NumberManufacturer
ESP-F-1.321-PP Nd Defense Llc (USA)
877-014C Asrc Federal Facilities Logistics, Llc (USA)
4028-34-00 Itw Shakeproof Automotive Products (USA)
FFW100C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4L2420 Caterpillar Inc Div Caterpillar Defense (USA)
0400499 Miller Industries Towing Equipment Inc (USA)
MS45904-92 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
193-50 Cnh Industrial America Llc Dba Cnh America (USA)
178627 Nd Defense Llc (USA)
877-014C Harsco Corp Bmy-Combat Systems Div (USA)
178627 Rolls-Royce Solutions America Inc (USA)
178627 General Motors Corp (USA)
87498C Brockway Motor Trucks Div of Mack Trucks Inc (USA)
Related Parts
4810-00-018-3825INTERCHANGEABLE
VALVE,BUTTERFLY
5310-00-019-0676INTERCHANGEABLE
WASHER,LOCK
MS35333-109
5310-00-022-8834INTERCHANGEABLE
WASHER,LOCK
NASM35333-108
5310-00-022-8847INTERCHANGEABLE
WASHER,LOCK
MS35333-110
5310-00-061-1258INTERCHANGEABLE
WASHER,LOCK
5960-00-107-7583INTERCHANGEABLE
ELECTRON TUBE
22004
5310-00-188-0473INTERCHANGEABLE
WASHER,LOCK
5310-00-198-9343INTERCHANGEABLE
WASHER,LOCK
5310-00-282-9059INTERCHANGEABLE
WASHER,LOCK
373-0083-000
1005-00-288-6217INTERCHANGEABLE
ROUNDS LIMITER AND TOTALIZER
189F585
6515-00-333-5800INTERCHANGEABLE
FORCEPS,EAR
67-1150
5310-00-432-9409INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-017-8627?

NSN 5310-00-017-8627 is a Washer,lock, manufactured by Nd Defense Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-017-8627?

NSN 5310-00-017-8627 has 13 cross-referenced part numbers: ESP-F-1.321-PP (Nd Defense Llc), 877-014C (Asrc Federal Facilities Logistics, Llc), 4028-34-00 (Itw Shakeproof Automotive Products), FFW100C (Federal Specifications Promulgated by General Services Administration Washington DC), 4L2420 (Caterpillar Inc Div Caterpillar Defense) and 8 more.

What NSN replaces 5310-00-017-8627?

There are 12 known substitutes for 5310-00-017-8627: 4810-00-018-3825, 5310-00-019-0676, 5310-00-022-8834 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-00-017-8627 still in active supply?

NSN 5310-00-017-8627 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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