PartsTable TECHNICAL DATA SHEET

NSN 5331-00-458-1909Government record, cited

O-Ring5331-00-458-1909

NSN 5331-00-458-1909 · NIIN 004581909 · Part number 2M3818

Caterpillar Inc Div Caterpillar Defense · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 11083

Government record, cited

NSN 5331-00-458-1909 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-458-1909. Manufacturer of record part number: 2M3818.

Also searched as 5331-00-458-1909 · 5331004581909 · NIIN 004581909 · 00-458-1909 · FSC 5331 O-ring · CAGE 11083 · 2M3818

Nearby stock numbers ← 5331-00-458-1870 O-Ring · 5331-00-458-1950 O-Ring →

5331-00-458-1909 — O-ring

Features

O-Ring — FSC 5331
Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Center Hole Diameter: 13.470 INCHES MINIMUM AND 13.530 INCHES MAXIMUM IN
Material: RUBBER SYNTHETIC
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 5331-00-458-1909
NIIN: 004581909
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 2M3818
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The O-Ring, cataloged under National Stock Number 5331-00-458-1909, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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	5331-00-458-1909
Primary Part Number	2M3818
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Cross-Sectional Height	0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Center Hole Diameter	13.470 INCHES MINIMUM AND 13.530 INCHES MAXIMUM IN
Material	RUBBER SYNTHETIC

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
2M3818 PRIMARY	Caterpillar Inc Div Caterpillar Defense (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 5331-00-458-1909?

NSN 5331-00-458-1909 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-00-458-1909?

NSN 5331-00-458-1909 has 1 manufacturer part number on file: 2M3818 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 2M3818?

Key specifications for 2M3818: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Center Hole Diameter: 13.470 INCHES MINIMUM AND 13.530 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5331-00-458-1909 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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