PartsTable TECHNICAL DATA SHEET

NSN 5331-01-131-2275Government record, cited

O-Ring5331-01-131-2275

NSN 5331-01-131-2275 · NIIN 011312275 · Part number 7387778

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

Government record, cited

NSN 5331-01-131-2275 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-131-2275. Manufacturer of record part number: 7387778.

Also searched as 5331-01-131-2275 · 5331011312275 · NIIN 011312275 · 01-131-2275 · FSC 5331 O-ring · CAGE 19207 · 7387778

Nearby stock numbers ← 5331-01-131-1896 O-Ring · 5331-01-131-2277 O-Ring →

5331-01-131-2275 — O-ring

Features

O-Ring — FSC 5331
Cross-Sectional Height: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
Center Hole Diameter: 0.4630 INCHES MINIMUM AND 0.4730 INCHES MAXIMUM IN
Material: PLASTIC
1 manufacturer part number on file
Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm

Identification

NSN: 5331-01-131-2275
NIIN: 011312275
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 7387778
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm

General Description

The O-Ring, cataloged under National Stock Number 5331-01-131-2275, 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. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5331-01-131-2275
Primary Part Number	7387778
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	U S Army Tank Automotive Command Amsta-Im-Mm
Status	ACTIVE
Cross-Sectional Height	0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
Center Hole Diameter	0.4630 INCHES MINIMUM AND 0.4730 INCHES MAXIMUM IN
Material	PLASTIC

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
7387778 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 5331-01-131-2275?

NSN 5331-01-131-2275 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 5331-01-131-2275?

NSN 5331-01-131-2275 has 1 manufacturer part number on file: 7387778 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 7387778?

Key specifications for 7387778: Cross-Sectional Height: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN; Center Hole Diameter: 0.4630 INCHES MINIMUM AND 0.4730 INCHES MAXIMUM IN; Material: PLASTIC. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-131-2275 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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