PartsTable TECHNICAL DATA SHEET

NSN 5331-01-418-3721Government record, cited

O-Ring5331-01-418-3721

NSN 5331-01-418-3721 · NIIN 014183721 · Part number 4242600RT-349

Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 30781

Government record, cited

NSN 5331-01-418-3721 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-418-3721. Manufacturer of record part number: 4242600RT-349.

Also searched as 5331-01-418-3721 · 5331014183721 · NIIN 014183721 · 01-418-3721 · FSC 5331 O-ring · CAGE 30781 · 4242600RT-349 · S52-T-349

Nearby stock numbers ← 5331-01-418-3705 O-Ring · 5331-01-418-3795 →

5331-01-418-3721 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)

Identification

NSN: 5331-01-418-3721
NIIN: 014183721
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 4242600RT-349
Manufacturer: Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)

General Description

The O-Ring, cataloged under National Stock Number 5331-01-418-3721, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps). The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)
Manufacturers	Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) (CAGE 30781)

Technical Specifications

Parameter	Value
NSN	5331-01-418-3721
Primary Part Number	4242600RT-349
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)
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
4242600RT-349	Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) (USA)

Reference documents

Reference	Meaning
S52-T-349	3/2 Design control — primary reference U.S. Government activity

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 5331-01-418-3721?

NSN 5331-01-418-3721 is a O-Ring, manufactured by Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps), classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-418-3721?

NSN 5331-01-418-3721 has 1 manufacturer part number on file: 4242600RT-349 (Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)).

Is NSN 5331-01-418-3721 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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