O-Ring5331-01-566-5733

NSN 5331-01-566-5733 · NIIN 015665733 · Part number 31204

Parker-Hannifin Corporation Dba Racor Division Div Racor Division · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 55752

Government record, cited

NSN 5331-01-566-5733 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-566-5733. Manufacturer of record part number: 31204.

Also searched as 5331-01-566-5733 · 5331015665733 · NIIN 015665733 · 01-566-5733 · FSC 5331 O-ring · CAGE 55752 · 31204 · 1873197C1

Nearby stock numbers ← 5331-01-566-5728 Kit, Camp Sensor O-R · 5331-01-566-5745 O-Ring →

5331-01-566-5733 — O-ring

Features

O-Ring — FSC 5331
2 manufacturer part numbers on file
Manufacturer of record: Parker-Hannifin Corporation Dba Racor Division Div Racor Division

Identification

NSN: 5331-01-566-5733
NIIN: 015665733
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 31204
Manufacturer: Parker-Hannifin Corporation Dba Racor Division Div Racor Division

General Description

The O-Ring, cataloged under National Stock Number 5331-01-566-5733, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Racor Division Div Racor Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)
Manufacturers	Parker-Hannifin Corporation Dba Racor Division Div Racor Division (CAGE 55752); Nd Defense Llc (CAGE 338X5)

Technical Specifications

Parameter	Value
NSN	5331-01-566-5733
Primary Part Number	31204
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Parker-Hannifin Corporation Dba Racor Division Div Racor Division
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

⇄ Related Items 2

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5365-01-573-959231204 POSSIBLE MATCH

SHIM

Possible match (shared part number)Hassay Savage Co

6150-01-586-060231204 POSSIBLE MATCH

CABLE ASSEMBLY,SPECIAL PURPOSE,E

Possible match (shared part number)Cables to Go

Cross-Reference Index

Part Number	Manufacturer
31204 PRIMARY	Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
1873197C1	Nd Defense Llc (USA)

Related Parts

5365-01-573-9592POSSIBLE MATCH

SHIM

31204

6150-01-586-0602POSSIBLE MATCH

CABLE ASSEMBLY,SPECIAL PURPOSE,E

31204

Frequently Asked Questions

What is NSN 5331-01-566-5733?

NSN 5331-01-566-5733 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Racor Division Div Racor Division, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-566-5733?

NSN 5331-01-566-5733 has 2 manufacturer part numbers on file: 31204 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division), 1873197C1 (Nd Defense Llc).

What NSN replaces 5331-01-566-5733?

2 possible matches (shared part number, not a government interchangeability claim): 5365-01-573-9592, 6150-01-586-0602. Verify interchangeability with system specifications before substitution.

Is NSN 5331-01-566-5733 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.

PartsTable Design LLC · partstable.com