PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40531O-Ring

Tritan Corp · NSN 5331-01-263-2685 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-263-2685 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-263-2685. Primary manufacturer part number: 40531.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Tritan Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-263-2685, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Tritan Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersTritan Corp (CAGE 50809)
Technical Specifications
ParameterValue
NSN5331-01-263-2685
Primary Part Number40531
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTritan Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6930-00-214-7026580-076 INTERCHANGEABLE
Indicator,tachomete
Hickok Waekon Llc
3455-00-243-217311550 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
3040-00-345-85714501-233 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5930-00-493-131450079 INTERCHANGEABLE
Switch,push-Pull
Cole Hersee Company
1560-00-772-638640531 INTERCHANGEABLE
Clevis,fuselage Tie
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5961-01-095-58540405310005 INTERCHANGEABLE
Semiconductor Device,diode
Riimic, Llc Dba Sunair Electronics
5365-01-147-464140531 INTERCHANGEABLE
Spacer,plate
American Fuel Cell and Coated Fabrics Company, Llc
5998-01-430-370980-40531-01 INTERCHANGEABLE
Circuit Card Assembly
Acterna Llc Dba Jdsu
Cross-Reference Index
Part NumberManufacturer
40531 PRIMARY Tritan Corp (USA)
Related Parts
6930-00-214-7026INTERCHANGEABLE
INDICATOR,TACHOMETE
580-076
3455-00-243-2173INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11550
3040-00-345-8571INTERCHANGEABLE
CONNECTING LINK,RIGID
4501-233
5930-00-493-1314INTERCHANGEABLE
SWITCH,PUSH-PULL
50079
1560-00-772-6386INTERCHANGEABLE
CLEVIS,FUSELAGE TIE
40531
5961-01-095-5854INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
0405310005
5365-01-147-4641INTERCHANGEABLE
SPACER,PLATE
40531
5998-01-430-3709INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
80-40531-01

Frequently Asked Questions

What is NSN 5331-01-263-2685?

NSN 5331-01-263-2685 is a O-Ring, manufactured by Tritan Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-263-2685?

NSN 5331-01-263-2685 has 1 cross-referenced part number: 40531 (Tritan Corp).

What NSN replaces 5331-01-263-2685?

There are 8 known substitutes for 5331-01-263-2685: 6930-00-214-7026, 3455-00-243-2173, 3040-00-345-8571 and 5 more. Verify interchangeability with system specifications before substitution.

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