PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

444034Washer,seal

Brunswick Corp Defense Div · NSN 5310-01-322-2520 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-322-2520 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-322-2520. Primary manufacturer part number: 444034.
Features
  • Washer,seal — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Brunswick Corp Defense Div
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Washer,seal, cataloged under National Stock Number 5310-01-322-2520, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brunswick Corp Defense Div. This item has 1 commercial cross-reference from 1 manufacturer, 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,seal
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersBrunswick Corp Defense Div (CAGE 05699)
Technical Specifications
ParameterValue
NSN5310-01-322-2520
Primary Part Number444034
Item NameWasher,seal
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrunswick Corp Defense Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-580-6738SAE J514-3 8-6 140140B INTERCHANGEABLE
Bushing,pipe
Sae International Dba Sae International
5930-01-173-0827444-10EB32-444043 INTERCHANGEABLE
Switch,pressure
Detroit Switch Inc Dba Detroit Switch Inc
4730-01-196-4551 INTERCHANGEABLE
Bushing,pipe
5130-01-631-5919444034 INTERCHANGEABLE
Socket,socket Wrench
Genius Tools Americas Corp
Cross-Reference Index
Part NumberManufacturer
444034 Brunswick Corp Defense Div (USA)
Related Parts
4730-00-580-6738INTERCHANGEABLE
BUSHING,PIPE
SAE J514-3 8-6 140140B
5930-01-173-0827INTERCHANGEABLE
SWITCH,PRESSURE
444-10EB32-444043
4730-01-196-4551INTERCHANGEABLE
BUSHING,PIPE
5130-01-631-5919INTERCHANGEABLE
SOCKET,SOCKET WRENCH
444034

Frequently Asked Questions

What is NSN 5310-01-322-2520?

NSN 5310-01-322-2520 is a Washer,seal, manufactured by Brunswick Corp Defense Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-322-2520?

NSN 5310-01-322-2520 has 1 cross-referenced part number: 444034 (Brunswick Corp Defense Div).

What NSN replaces 5310-01-322-2520?

There are 4 known substitutes for 5310-01-322-2520: 4730-00-580-6738, 5930-01-173-0827, 4730-01-196-4551 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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