The O-Ring, cataloged under National Stock Number 5331-01-301-4997, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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)
Technical Specifications
Parameter
Value
NSN
5331-01-301-4997
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-513-153741802POSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)Jergens Inc Div Tooling Components Division
3110-01-633-945541802POSSIBLE MATCH
COLLAR,BEARING
Possible match (shared part number)Exlar Corporation
5985-01-670-9324418-02POSSIBLE MATCH
COUPLER,ANTENNA
Possible match (shared part number)Irf - Intelligent Rf Solutions, Llc Dba Irf-Intelligent Rf Solutions
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
41802
3/2Design control — primary reference
U.S. Government activity
Related Parts
5305-01-513-1537POSSIBLE MATCH
SCREW,SHOULDER
41802
3110-01-633-9455POSSIBLE MATCH
COLLAR,BEARING
41802
5985-01-670-9324POSSIBLE MATCH
COUPLER,ANTENNA
418-02
Frequently Asked Questions
What is NSN 5331-01-301-4997?
NSN 5331-01-301-4997 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
What NSN replaces 5331-01-301-4997?
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-513-1537, 3110-01-633-9455, 5985-01-670-9324. Verify interchangeability with system specifications before substitution.
Is NSN 5331-01-301-4997 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.