PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5776O-Ring

Eaton Corporation Div Eaton Fluid Power · NSN 5331-01-394-3541 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-394-3541 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-394-3541. Primary manufacturer part number: 5776.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corporation Div Eaton Fluid Power
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-394-3541, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation Div Eaton Fluid Power. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersEaton Corporation Div Eaton Fluid Power (CAGE 96151)
Technical Specifications
ParameterValue
NSN5331-01-394-3541
Primary Part Number5776
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerEaton Corporation Div Eaton Fluid Power
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2995-00-136-2418DS-935215 INTERCHANGEABLE
Cylinder Sleeve,hyd
Eaton Aerospace, Llc Dba Jackson South
9390-00-466-9381 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
1270-01-060-6183 INTERCHANGEABLE
Hat Cover,upper Forward Turret
5998-01-175-22325776-1 INTERCHANGEABLE
Circuit Card Assembly
Thales Defense & Security Inc Dba Thales Communications Inc
4820-01-191-4282 INTERCHANGEABLE
Valve,assembly
5130-01-560-48765776 INTERCHANGEABLE
Head,crimping Tool,hydraulic Fit
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
6545-01-578-2156G019-1000-03 INTERCHANGEABLE
Medical Evacuation System,patien
Gentex Corp
Cross-Reference Index
Part NumberManufacturer
5776 PRIMARY Eaton Corporation Div Eaton Fluid Power (USA)
Related Parts
2995-00-136-2418INTERCHANGEABLE
CYLINDER SLEEVE,HYD
DS-935215
9390-00-466-9381INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
1270-01-060-6183INTERCHANGEABLE
HAT COVER,UPPER FORWARD TURRET
5998-01-175-2232INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5776-1
4820-01-191-4282INTERCHANGEABLE
VALVE,ASSEMBLY
5130-01-560-4876INTERCHANGEABLE
HEAD,CRIMPING TOOL,HYDRAULIC FIT
5776
6545-01-578-2156INTERCHANGEABLE
MEDICAL EVACUATION SYSTEM,PATIEN
G019-1000-03

Frequently Asked Questions

What is NSN 5331-01-394-3541?

NSN 5331-01-394-3541 is a O-Ring, manufactured by Eaton Corporation Div Eaton Fluid Power, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-394-3541?

NSN 5331-01-394-3541 has 1 cross-referenced part number: 5776 (Eaton Corporation Div Eaton Fluid Power).

What NSN replaces 5331-01-394-3541?

There are 7 known substitutes for 5331-01-394-3541: 2995-00-136-2418, 9390-00-466-9381, 1270-01-060-6183 and 4 more. Verify interchangeability with system specifications before substitution.

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