The O-Ring, cataloged under National Stock Number 5331-01-246-8454, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Jay-Em Aerospace Corporation. 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-246-8454 |
| Primary Part Number | 27939 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Jay-Em Aerospace Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Center Hole Diameter | 5.063 INCHES MINIMUM AND 5.137 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 27939 PRIMARY | Jay-Em Aerospace Corporation (USA) |
NSN 5331-01-246-8454 is a O-Ring, manufactured by Jay-Em Aerospace Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-246-8454 has 1 manufacturer part number on file: 27939 (Jay-Em Aerospace Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 3110-01-270-7170, 4140-01-292-5129, 3120-01-301-1864. Verify interchangeability with system specifications before substitution.
Key specifications for 27939: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Center Hole Diameter: 5.063 INCHES MINIMUM AND 5.137 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.