O-Ring5331-01-386-2720

NSN 5331-01-386-2720 · NIIN 013862720 · Part number 26121-7498

Allied Defense Industries, Llc Dba Ams Distribution · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 0GD25

Government record, cited

NSN 5331-01-386-2720 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-386-2720. Manufacturer of record part number: 26121-7498.

Also searched as 5331-01-386-2720 · 5331013862720 · NIIN 013862720 · 01-386-2720 · FSC 5331 O-ring · CAGE 0GD25 · 26121-7498

Nearby stock numbers ← 5331-01-386-2624 O-Ring · 5331-01-386-2887 O-Ring →

5331-01-386-2720 — O-ring

Features

O-Ring — FSC 5331
2 manufacturer part numbers on file
Manufacturer of record: Allied Defense Industries, Llc Dba Ams Distribution

Identification

NSN: 5331-01-386-2720
NIIN: 013862720
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 26121-7498
Manufacturer: Allied Defense Industries, Llc Dba Ams Distribution

General Description

The O-Ring, cataloged under National Stock Number 5331-01-386-2720, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Allied Defense Industries, Llc Dba Ams Distribution. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)
Manufacturers	Allied Defense Industries, Llc Dba Ams Distribution (CAGE 0GD25); Irl Thermal Systems Ltd (CAGE U1841)

Technical Specifications

Parameter	Value
NSN	5331-01-386-2720
Primary Part Number	26121-7498
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Allied Defense Industries, Llc Dba Ams Distribution
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
26121-7498 PRIMARY	Allied Defense Industries, Llc Dba Ams Distribution (USA)
26121-7498	Irl Thermal Systems Ltd (GBR)

No interchangeability data on file.

Other items in FSC 5331 — O-ring

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5331-00-001-1971

O-RING

5331-00-001-1979

O-RING

5331-00-001-3904

O-RING

5331-00-001-3905

O-RING

5331-00-001-3906

O-RING

5331-00-001-3908

O-RING

5331-00-001-3923

O-RING

5331-00-001-3924

O-RING

Frequently Asked Questions

What is NSN 5331-01-386-2720?

NSN 5331-01-386-2720 is a O-Ring, manufactured by Allied Defense Industries, Llc Dba Ams Distribution, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-386-2720?

NSN 5331-01-386-2720 has 2 manufacturer part numbers on file: 26121-7498 (Allied Defense Industries, Llc Dba Ams Distribution), 26121-7498 (Irl Thermal Systems Ltd).

Is NSN 5331-01-386-2720 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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