The O-Ring, cataloged under National Stock Number 5331-01-176-3926, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
5331-01-176-3926
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)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2940-01-233-954746173POSSIBLE MATCH
INTAKE AIR FILTER
Possible match (shared part number)Andrew Llc
3110-01-284-388046173POSSIBLE MATCH
BEARING,BALL,ANNULAR
Possible match (shared part number)Schaeffler Aerospace Canada Inc Div Fag Aerospace
5962-01-407-674346173POSSIBLE MATCH
MICROCIRCUIT,MEMORY
Possible match (shared part number)Raytheon Company Div Rmd Strategic
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
46-17-3
5/9Secondary reference
U.S. Government activity
A-589-C-031QMA
3/9Design control — primary reference
U.S. Government activity
Related Parts
2940-01-233-9547POSSIBLE MATCH
INTAKE AIR FILTER
46173
3110-01-284-3880POSSIBLE MATCH
BEARING,BALL,ANNULAR
46173
5962-01-407-6743POSSIBLE MATCH
MICROCIRCUIT,MEMORY
46173
Frequently Asked Questions
What is NSN 5331-01-176-3926?
NSN 5331-01-176-3926 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
What NSN replaces 5331-01-176-3926?
3 possible matches (shared part number, not a government interchangeability claim): 2940-01-233-9547, 3110-01-284-3880, 5962-01-407-6743. Verify interchangeability with system specifications before substitution.
What are the specifications of 5331-01-176-3926?
Key specifications for 5331-01-176-3926: Part Name Assigned by Controlling Agency: O-RING. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-176-3926 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.