PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

640001Washer,lock

Tr Engineering, Inc Div Tr Engineering Incorporated · NSN 5310-01-238-3106 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-238-3106 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-238-3106. Primary manufacturer part number: 640001.
Features
  • Washer,lock — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Tr Engineering, Inc Div Tr Engineering Incorporated
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-238-3106, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tr Engineering, Inc Div Tr Engineering Incorporated. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersTr Engineering, Inc Div Tr Engineering Incorporated (CAGE 63465)
Technical Specifications
ParameterValue
NSN5310-01-238-3106
Primary Part Number640001
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTr Engineering, Inc Div Tr Engineering Incorporated
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-629-029964000-1 INTERCHANGEABLE
Valve,check
Essex Industries Inc Div Manufacturing Division
5340-00-906-070719137-4 INTERCHANGEABLE
Clamp,instrument Mounting
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5340-01-052-6269640005 INTERCHANGEABLE
Clamp,instrument Mounting
Msp Aviation, Inc. Dba Msp Maufacturing
6150-01-150-5121640001 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Avtron Aerospace Inc
5940-01-508-5925M-427 INTERCHANGEABLE
Terminal Junction Block,sectiona
Cole Hersee Company
Cross-Reference Index
Part NumberManufacturer
640001 PRIMARY Tr Engineering, Inc Div Tr Engineering Incorporated (USA)
Related Parts
4820-00-629-0299INTERCHANGEABLE
VALVE,CHECK
64000-1
5340-00-906-0707INTERCHANGEABLE
CLAMP,INSTRUMENT MOUNTING
19137-4
5340-01-052-6269INTERCHANGEABLE
CLAMP,INSTRUMENT MOUNTING
640005
6150-01-150-5121INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
640001
5940-01-508-5925INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
M-427

Frequently Asked Questions

What is NSN 5310-01-238-3106?

NSN 5310-01-238-3106 is a Washer,lock, manufactured by Tr Engineering, Inc Div Tr Engineering Incorporated, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-238-3106?

NSN 5310-01-238-3106 has 1 cross-referenced part number: 640001 (Tr Engineering, Inc Div Tr Engineering Incorporated).

What NSN replaces 5310-01-238-3106?

There are 5 known substitutes for 5310-01-238-3106: 4820-00-629-0299, 5340-00-906-0707, 5340-01-052-6269 and 2 more. Verify interchangeability with system specifications before substitution.

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