PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53-912O-Ring

Bud Information Systems · NSN 5331-01-365-3330 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-365-3330 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-365-3330. Primary manufacturer part number: 53-912.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Bud Information Systems
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-365-3330, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Bud Information Systems. 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 NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersBud Information Systems (CAGE 93734)
Technical Specifications
ParameterValue
NSN5331-01-365-3330
Primary Part Number53-912
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBud Information Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-257-738753912 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
L3harris Technologies, Inc Div Space & Airborne Systems
4730-00-278-3397235200 INTERCHANGEABLE
Plug,pipe
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5340-01-278-41235497432-1 INTERCHANGEABLE
Closer,door
Lockheed Martin Corporation Div Rotary and Mission Systems
5331-01-291-002153-912 INTERCHANGEABLE
O-Ring
Husco International Inc
4820-01-560-62885391-2 INTERCHANGEABLE
Valve,flow Control
Bloom Manufacturing, Llc Dba Bloom Inc
Cross-Reference Index
Part NumberManufacturer
53-912 Bud Information Systems (USA)
Related Parts
5905-00-257-7387INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
53912
4730-00-278-3397INTERCHANGEABLE
PLUG,PIPE
235200
5340-01-278-4123INTERCHANGEABLE
CLOSER,DOOR
5497432-1
5331-01-291-0021INTERCHANGEABLE
O-RING
53-912
4820-01-560-6288INTERCHANGEABLE
VALVE,FLOW CONTROL
5391-2

Frequently Asked Questions

What is NSN 5331-01-365-3330?

NSN 5331-01-365-3330 is a O-Ring, manufactured by Bud Information Systems, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-365-3330?

NSN 5331-01-365-3330 has 1 cross-referenced part number: 53-912 (Bud Information Systems).

What NSN replaces 5331-01-365-3330?

There are 5 known substitutes for 5331-01-365-3330: 5905-00-257-7387, 4730-00-278-3397, 5340-01-278-4123 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com