PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44940Washer,lock

Bourns Inc · NSN 5310-01-386-8672 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-386-8672 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-386-8672. Primary manufacturer part number: 44940.
Features
  • Washer,lock — FSC 5310
  • 4 verified cross-references
  • Primary manufacturer: Bourns Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-386-8672, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bourns Inc. This item has 4 commercial cross-references from 3 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,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersCat Pumps (uk) Ltd (CAGE U3374); Bourns Inc (CAGE 32997); Cat Pumps Corp (CAGE 57783)
Technical Specifications
ParameterValue
NSN5310-01-386-8672
Primary Part Number44940
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBourns Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5315-00-521-468513B1857492 INTERCHANGEABLE
Pin,straight,headless
Fwd Seagrave Holdings Lp
5310-01-226-309944940 INTERCHANGEABLE
Washer,flat
L3harris Technologies, Inc Div Space & Airborne Systems
6515-01-429-7505449.40 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5935-01-536-3067126-74-9 INTERCHANGEABLE
Connector,plug,electrical
Winchester Interconnect Corporation
Cross-Reference Index
Part NumberManufacturer
44940 Cat Pumps (uk) Ltd (GBR)
126749 Cat Pumps (uk) Ltd (GBR)
44940 PRIMARY Bourns Inc (USA)
44940 Cat Pumps Corp (USA)
Related Parts
5315-00-521-4685INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
13B1857492
5310-01-226-3099INTERCHANGEABLE
WASHER,FLAT
44940
6515-01-429-7505INTERCHANGEABLE
BONE PLATE
449.40
5935-01-536-3067INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
126-74-9

Frequently Asked Questions

What is NSN 5310-01-386-8672?

NSN 5310-01-386-8672 is a Washer,lock, manufactured by Bourns Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-386-8672?

NSN 5310-01-386-8672 has 4 cross-referenced part numbers: 44940 (Cat Pumps (uk) Ltd), 126749 (Cat Pumps (uk) Ltd), 44940 (Bourns Inc), 44940 (Cat Pumps Corp).

What NSN replaces 5310-01-386-8672?

There are 4 known substitutes for 5310-01-386-8672: 5315-00-521-4685, 5310-01-226-3099, 6515-01-429-7505 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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