NSN 5331-00-957-7678 · NIIN 009577678 · Part number 5040-2
Eaton Corporation Dba Jackson Plant · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 60285
Government record, cited
NSN 5331-00-957-7678 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-957-7678. Manufacturer of record part number: 5040-2.
Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
1 manufacturer part number on file
Manufacturer of record: Eaton Corporation Dba Jackson Plant
Identification
NSN: 5331-00-957-7678
NIIN: 009577678
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 5040-2
Manufacturer: Eaton Corporation Dba Jackson Plant
General Description
The O-Ring, cataloged under National Stock Number 5331-00-957-7678, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Dba Jackson Plant. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
5331-00-957-7678
Primary Part Number
5040-2
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Eaton Corporation Dba Jackson Plant
Status
ACTIVE
Cross-Sectional Height
0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter
0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6615-00-959-594350402POSSIBLE MATCH
COVER,SERVO HOUSING
Possible match (shared part number)Orbit International Corp. Div Orbit Instrument
1680-01-159-194328-300-21089POSSIBLE MATCH
CAP AND ADAPTER ASS
Possible match (shared part number)Mission Systems Davenport Inc.
4930-01-175-6449POSSIBLE MATCH
SIGHT FEED,LUBRICATOR
Possible match (shared part number)
6110-01-242-8362POSSIBLE MATCH
CONTACTOR,MAGNETIC
Possible match (shared part number)
6220-01-274-2459POSSIBLE MATCH
STOP LIGHT-TAILLIGHT,VEHICULAR
Possible match (shared part number)
7025-01-348-4093POSSIBLE MATCH
DISK DRIVE UNIT
Possible match (shared part number)
5985-01-553-69385145007POSSIBLE MATCH
WAVEGUIDE ASSEMBLY
Possible match (shared part number)Raytheon Company Dba Raytheon Co
NSN 5331-00-957-7678 is a O-Ring, manufactured by Eaton Corporation Dba Jackson Plant, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-957-7678?
NSN 5331-00-957-7678 has 1 manufacturer part number on file: 5040-2 (Eaton Corporation Dba Jackson Plant).
What NSN replaces 5331-00-957-7678?
7 possible matches (shared part number, not a government interchangeability claim): 6615-00-959-5943, 1680-01-159-1943, 4930-01-175-6449. Verify interchangeability with system specifications before substitution.
What are the specifications of 5040-2?
Key specifications for 5040-2: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-957-7678 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.