PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6394O-Ring

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5331-01-560-7254 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-560-7254 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-560-7254. Primary manufacturer part number: 6394.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-560-7254, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-560-7254
Primary Part Number6394
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2815-00-146-7365 INTERCHANGEABLE
Lever and Bushing a
3110-00-157-60696394 INTERCHANGEABLE
Bearing,ball,annular
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5945-00-259-25326394-5 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
4730-00-529-50436394 INTERCHANGEABLE
Strainer Element,sediment
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
2530-00-589-8537 INTERCHANGEABLE
Cap,grease
8930-01-216-16776394 INTERCHANGEABLE
Jelly
Dart and Kraft Inc
2530-01-240-2782 INTERCHANGEABLE
Fittings Kit,air Brake
5955-01-281-04372363-0094-000 INTERCHANGEABLE
Crystal Unit,quartz
Viavi Solutionsllc
1650-01-522-10476394 INTERCHANGEABLE
Fuse,hydraulic System
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
6394 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Related Parts
2815-00-146-7365INTERCHANGEABLE
LEVER AND BUSHING A
3110-00-157-6069INTERCHANGEABLE
BEARING,BALL,ANNULAR
6394
5945-00-259-2532INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6394-5
4730-00-529-5043INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
6394
2530-00-589-8537INTERCHANGEABLE
CAP,GREASE
8930-01-216-1677INTERCHANGEABLE
JELLY
6394
2530-01-240-2782INTERCHANGEABLE
FITTINGS KIT,AIR BRAKE
5955-01-281-0437INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
2363-0094-000
1650-01-522-1047INTERCHANGEABLE
FUSE,HYDRAULIC SYSTEM
6394

Frequently Asked Questions

What is NSN 5331-01-560-7254?

NSN 5331-01-560-7254 is a O-Ring, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-560-7254?

NSN 5331-01-560-7254 has 1 cross-referenced part number: 6394 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

What NSN replaces 5331-01-560-7254?

There are 9 known substitutes for 5331-01-560-7254: 2815-00-146-7365, 3110-00-157-6069, 5945-00-259-2532 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6394?

Key specifications for 6394: End Item Identification: TF33P3 AIRCRAFT ENGINE; Part Name Assigned by Controlling Agency: PACKING, O-RING; Special Features: USED IN ROTARY ACTUATORS 1433-663011 AND 1433-663089 TO SEAL SHAFT 45641 AND BEARING MS17131-9 AT HOUSING 45614; REFERENCE T.O. 8D1-12-23-3. 3 total characteristics are documented in the Federal Logistics Information System.

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