PartsTable TECHNICAL DATA SHEET

NSN 5331-01-526-5517Government record, cited

O-Ring5331-01-526-5517

NSN 5331-01-526-5517 · NIIN 015265517 · Part number 12497121

U S Army Tank Automotive Command Amsta-Im-Mm · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 19207

Government record, cited

NSN 5331-01-526-5517 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-526-5517. Manufacturer of record part number: 12497121.

Also searched as 5331-01-526-5517 · 5331015265517 · NIIN 015265517 · 01-526-5517 · FSC 5331 O-ring · CAGE 19207 · 12497121 · 0211096

Nearby stock numbers ← 5331-01-526-5405 O-Ring · 5331-01-526-5599 O-Ring →

5331-01-526-5517 — O-ring

Features

O-Ring — FSC 5331
2 manufacturer part numbers on file
Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm

Identification

NSN: 5331-01-526-5517
NIIN: 015265517
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 12497121
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm

General Description

The O-Ring, cataloged under National Stock Number 5331-01-526-5517, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5331-01-526-5517
Primary Part Number	12497121
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	U S Army Tank Automotive Command Amsta-Im-Mm
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
0211096	Koch Membrane Systems, Inc. Dba Fluid Systems Div (USA)
12497121 PRIMARY	U S Army Tank Automotive Command Amsta-Im-Mm (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 5331-01-526-5517?

NSN 5331-01-526-5517 is a O-Ring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-526-5517?

NSN 5331-01-526-5517 has 2 manufacturer part numbers on file: 0211096 (Koch Membrane Systems, Inc. Dba Fluid Systems Div), 12497121 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12497121?

Key specifications for 12497121: End Item Identification: NSN 4610-01-495-0046 LIGHTWEIGHT WATER PURIFIER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-526-5517 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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