PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820432O-Ring

Tri-Tec Manufacturing Llc · NSN 5331-01-312-7156 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-312-7156 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-312-7156. Primary manufacturer part number: 820432.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Tri-Tec Manufacturing Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-312-7156, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Tri-Tec Manufacturing Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersTri-Tec Manufacturing, Llc (CAGE 56349); Tri-Tec Manufacturing Llc (CAGE 98032)
Technical Specifications
ParameterValue
NSN5331-01-312-7156
Primary Part Number820432
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTri-Tec Manufacturing Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-758-6279455887 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4520-00-859-5777322341 INTERCHANGEABLE
Heating Element,electrical,immer
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
5910-01-153-2322 INTERCHANGEABLE
Capacitor,fixed,electrolytic
7105-01-462-08458204-32 INTERCHANGEABLE
Chest,freestanding
Sustainable Furniture Inc
Cross-Reference Index
Part NumberManufacturer
820432 Tri-Tec Manufacturing, Llc (USA)
820432 PRIMARY Tri-Tec Manufacturing Llc (USA)
Related Parts
3110-00-758-6279INTERCHANGEABLE
BEARING,BALL,ANNULAR
455887
4520-00-859-5777INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
322341
5910-01-153-2322INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
7105-01-462-0845INTERCHANGEABLE
CHEST,FREESTANDING
8204-32

Frequently Asked Questions

What is NSN 5331-01-312-7156?

NSN 5331-01-312-7156 is a O-Ring, manufactured by Tri-Tec Manufacturing Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-312-7156?

NSN 5331-01-312-7156 has 2 cross-referenced part numbers: 820432 (Tri-Tec Manufacturing, Llc), 820432 (Tri-Tec Manufacturing Llc).

What NSN replaces 5331-01-312-7156?

There are 4 known substitutes for 5331-01-312-7156: 3110-00-758-6279, 4520-00-859-5777, 5910-01-153-2322 and 1 more. Verify interchangeability with system specifications before substitution.

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