PartsTable TECHNICAL DATA SHEET

NSN 5331-01-727-7392Government record, cited

O-Ring5331-01-727-7392

NSN 5331-01-727-7392 · NIIN 017277392 · Part number 566-8841884-63

Naval Sea Systems Command · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 53711

Government record, cited

NSN 5331-01-727-7392 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-727-7392. Manufacturer of record part number: 566-8841884-63.

Also searched as 5331-01-727-7392 · 5331017277392 · NIIN 017277392 · 01-727-7392 · FSC 5331 O-ring · CAGE 53711 · 566-8841884-63 · 8841884 · 54-49-0062AW · R5170202-63 · LOA014251-63

Nearby stock numbers ← 5331-01-727-7248 O-Ring · 5331-01-727-7574 O-Ring →

5331-01-727-7392 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 5331-01-727-7392
NIIN: 017277392
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 566-8841884-63
Manufacturer: Naval Sea Systems Command

General Description

The O-Ring, cataloged under National Stock Number 5331-01-727-7392, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	Naval Sea Systems Command (CAGE 53711)

Technical Specifications

Parameter	Value
NSN	5331-01-727-7392
Primary Part Number	566-8841884-63
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Naval Sea Systems Command
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 7

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

5365-01-727-7526566-8841884-96 POSSIBLE MATCH

SPACER,SLEEVE

Possible match (shared part number)Naval Sea Systems Command

3110-01-727-7580566-8841884-21 POSSIBLE MATCH

RETAINER,BALL,BEARING

Possible match (shared part number)Naval Sea Systems Command

3120-01-727-7632566-8841884-10 POSSIBLE MATCH

BEARING,PLAIN,SPHERICAL

Possible match (shared part number)Naval Sea Systems Command

2590-01-727-7639566-8841884-14 POSSIBLE MATCH

COVER,ACCESS

Possible match (shared part number)Naval Sea Systems Command

3110-01-727-7915566-8841884-20 POSSIBLE MATCH

RING,BEARING,INNER

Possible match (shared part number)Naval Sea Systems Command

2520-01-727-7924566-8841884-45 POSSIBLE MATCH

CARRIER,CLUTCH RELEASE BEARING

Possible match (shared part number)Naval Sea Systems Command

2520-01-727-7955566-8841884-67 POSSIBLE MATCH

CARRIER,CLUTCH RELEASE BEARING

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

Part Number	Manufacturer
566-8841884-63 PRIMARY	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
8841884	D/9 Drawing number reference only Naval Sea Systems Command
54-49-0062AW	5/2 Secondary reference U.S. Government activity
R5170202-63	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
LOA014251-63	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity

Related Parts

5365-01-727-7526POSSIBLE MATCH

SPACER,SLEEVE

566-8841884-96

3110-01-727-7580POSSIBLE MATCH

RETAINER,BALL,BEARING

566-8841884-21

3120-01-727-7632POSSIBLE MATCH

BEARING,PLAIN,SPHERICAL

566-8841884-10

2590-01-727-7639POSSIBLE MATCH

COVER,ACCESS

566-8841884-14

3110-01-727-7915POSSIBLE MATCH

RING,BEARING,INNER

566-8841884-20

2520-01-727-7924POSSIBLE MATCH

CARRIER,CLUTCH RELEASE BEARING

566-8841884-45

2520-01-727-7955POSSIBLE MATCH

CARRIER,CLUTCH RELEASE BEARING

566-8841884-67

Frequently Asked Questions

What is NSN 5331-01-727-7392?

NSN 5331-01-727-7392 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-727-7392?

NSN 5331-01-727-7392 has 1 manufacturer part number on file: 566-8841884-63 (Naval Sea Systems Command).

What NSN replaces 5331-01-727-7392?

7 possible matches (shared part number, not a government interchangeability claim): 5365-01-727-7526, 3110-01-727-7580, 3120-01-727-7632. Verify interchangeability with system specifications before substitution.

Is NSN 5331-01-727-7392 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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