PartsTable TECHNICAL DATA SHEET

NSN 5331-01-680-4407Government record, cited

O-Ring5331-01-680-4407

NSN 5331-01-680-4407 · NIIN 016804407 · Part number 633B1243

Fascan International, Inc. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 0UJB5

Government record, cited

NSN 5331-01-680-4407 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-680-4407. Manufacturer of record part number: 633B1243.

Also searched as 5331-01-680-4407 · 5331016804407 · NIIN 016804407 · 01-680-4407 · FSC 5331 O-ring · CAGE 0UJB5 · 633B1243 · 633C1243

Nearby stock numbers ← 5331-01-680-4397 O-Ring · 5331-01-680-4414 O-Ring →

5331-01-680-4407 — O-ring

Features

O-Ring — FSC 5331
2 manufacturer part numbers on file
Manufacturer of record: Fascan International, Inc.

Identification

NSN: 5331-01-680-4407
NIIN: 016804407
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 633B1243
Manufacturer: Fascan International, Inc.

General Description

The O-Ring, cataloged under National Stock Number 5331-01-680-4407, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fascan International, Inc.. 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	Fascan International, Inc. (CAGE 0UJB5); Danfoss Inc (CAGE 24976)

Technical Specifications

Parameter	Value
NSN	5331-01-680-4407
Primary Part Number	633B1243
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Fascan International, Inc.
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
633B1243 PRIMARY	Fascan International, Inc. (USA)
633C1243 PRIMARY	Danfoss Inc (USA)

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 5331-01-680-4407?

NSN 5331-01-680-4407 is a O-Ring, manufactured by Fascan International, Inc., classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-680-4407?

NSN 5331-01-680-4407 has 2 manufacturer part numbers on file: 633B1243 (Fascan International, Inc.), 633C1243 (Danfoss Inc).

Is NSN 5331-01-680-4407 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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