PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30535O-Ring

Gil, Inc. · NSN 5331-01-181-4949 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-181-4949 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-181-4949. Primary manufacturer part number: 30535.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Gil, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-181-4949, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Gil, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersGil, Inc. (CAGE 55260)
Technical Specifications
ParameterValue
NSN5331-01-181-4949
Primary Part Number30535
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGil, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5999-00-035-9271 INTERCHANGEABLE
Contact,electrical
1005-00-441-7724 INTERCHANGEABLE
Fore-End Assy
5950-01-324-3278HS5564-1 INTERCHANGEABLE
Transformer,power
The Boeing Company
1560-01-329-521030535 INTERCHANGEABLE
Fitting,vent Dome
American Fuel Cell and Coated Fabrics Company, Llc
3455-01-365-1656305-35 INTERCHANGEABLE
Cutter,milling,side
Kennametal Inc. Div Kennametal Industrial Products Group
5925-01-408-106530535 INTERCHANGEABLE
Circuit Breaker
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
Cross-Reference Index
Part NumberManufacturer
30535 PRIMARY Gil, Inc. (USA)
Related Parts
5999-00-035-9271INTERCHANGEABLE
CONTACT,ELECTRICAL
1005-00-441-7724INTERCHANGEABLE
FORE-END ASSY
5950-01-324-3278INTERCHANGEABLE
TRANSFORMER,POWER
HS5564-1
1560-01-329-5210INTERCHANGEABLE
FITTING,VENT DOME
30535
3455-01-365-1656INTERCHANGEABLE
CUTTER,MILLING,SIDE
305-35
5925-01-408-1065INTERCHANGEABLE
CIRCUIT BREAKER
30535

Frequently Asked Questions

What is NSN 5331-01-181-4949?

NSN 5331-01-181-4949 is a O-Ring, manufactured by Gil, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-181-4949?

NSN 5331-01-181-4949 has 1 cross-referenced part number: 30535 (Gil, Inc.).

What NSN replaces 5331-01-181-4949?

There are 6 known substitutes for 5331-01-181-4949: 5999-00-035-9271, 1005-00-441-7724, 5950-01-324-3278 and 3 more. Verify interchangeability with system specifications before substitution.

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