O-Ring5331-01-666-5904

NSN 5331-01-666-5904 · NIIN 016665904 · Part number M25988/1-908

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 00624

Government record, cited

NSN 5331-01-666-5904 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-666-5904. Manufacturer of record part number: M25988/1-908.

Also searched as 5331-01-666-5904 · 5331016665904 · NIIN 016665904 · 01-666-5904 · FSC 5331 O-ring · CAGE 00624 · M25988/1-908 · S2A-908 · S2A-908 · S2A-908

Nearby stock numbers ← 5331-01-666-5899 O-Ring · 5331-01-666-5910 O-Ring →

5331-01-666-5904 — O-ring

Features

O-Ring — FSC 5331
3 manufacturer part numbers on file
Manufacturer of record: Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution

Identification

NSN: 5331-01-666-5904
NIIN: 016665904
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: M25988/1-908
Manufacturer: Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution

General Description

The O-Ring, cataloged under National Stock Number 5331-01-666-5904, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	5331-01-666-5904
Primary Part Number	M25988/1-908
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
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

Cross-Reference Index

Part Number	Manufacturer
S2A-908	Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
M25988/1-908 PRIMARY	Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
S2A-908	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)

Reference documents

Reference	Meaning
S2A-908	3/9 Design control — primary reference Eaton Aviation Corporation

Frequently Asked Questions

What is NSN 5331-01-666-5904?

NSN 5331-01-666-5904 is a O-Ring, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-666-5904?

NSN 5331-01-666-5904 has 3 manufacturer part numbers on file: S2A-908 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), M25988/1-908 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), S2A-908 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What are the specifications of M25988/1-908?

Key specifications for M25988/1-908: End Item Identification: ISIL-A00C92. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-666-5904 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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