PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3740Washer,lock

Tpi Corp · NSN 5310-01-353-2662 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-353-2662 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-353-2662. Primary manufacturer part number: 3740.
Features
  • Washer,lock — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Tpi Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-353-2662, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tpi Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 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)
ManufacturersTpi Corp (CAGE 53715); Markel Products Co (CAGE 83750)
Technical Specifications
ParameterValue
NSN5310-01-353-2662
Primary Part Number3740
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTpi Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6640-00-494-39653740-M INTERCHANGEABLE
Tube,extraction
Corning Incorporated Dba Corning Div Corning Life Sciences
3030-00-528-4629 INTERCHANGEABLE
Belt,v
5950-00-581-5568774960 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
7025-01-076-1778 INTERCHANGEABLE
Disk Drive Unit
6515-01-379-94860037400 INTERCHANGEABLE
Catheter,urethral
C R Bard Inc Div Bard Medical/urological Division
6520-01-408-13843740 INTERCHANGEABLE
Sleeve,tubing,dental
Kerr Corporation
4320-01-447-47163740 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
John Crane, Inc
4730-01-498-50423740 INTERCHANGEABLE
Clamp,hose
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
3740 PRIMARY Tpi Corp (USA)
3740 Markel Products Co (USA)
Related Parts
6640-00-494-3965INTERCHANGEABLE
TUBE,EXTRACTION
3740-M
3030-00-528-4629INTERCHANGEABLE
BELT,V
5950-00-581-5568INTERCHANGEABLE
TRANSFORMER,POWER
774960
7025-01-076-1778INTERCHANGEABLE
DISK DRIVE UNIT
6515-01-379-9486INTERCHANGEABLE
CATHETER,URETHRAL
0037400
6520-01-408-1384INTERCHANGEABLE
SLEEVE,TUBING,DENTAL
3740
4320-01-447-4716INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
3740
4730-01-498-5042INTERCHANGEABLE
CLAMP,HOSE
3740

Frequently Asked Questions

What is NSN 5310-01-353-2662?

NSN 5310-01-353-2662 is a Washer,lock, manufactured by Tpi Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-353-2662?

NSN 5310-01-353-2662 has 2 cross-referenced part numbers: 3740 (Tpi Corp), 3740 (Markel Products Co).

What NSN replaces 5310-01-353-2662?

There are 8 known substitutes for 5310-01-353-2662: 6640-00-494-3965, 3030-00-528-4629, 5950-00-581-5568 and 5 more. Verify interchangeability with system specifications before substitution.

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