The O-Ring, cataloged under National Stock Number 5331-01-458-5512, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kvh Industries Inc. Government technical data includes 4 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 | 5331-01-458-5512 |
| Primary Part Number | 24-0021 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kvh Industries Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 4.950 INCHES MINIMUM AND 5.024 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM |
| 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 |
|---|---|
| 24-0021 PRIMARY | Kvh Industries Inc (USA) |
NSN 5331-01-458-5512 is a O-Ring, manufactured by Kvh Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-458-5512 has 1 manufacturer part number on file: 24-0021 (Kvh Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-625-2381, 4810-01-645-8381, 4730-01-696-5716. Verify interchangeability with system specifications before substitution.
Key specifications for 24-0021: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 4.950 INCHES MINIMUM AND 5.024 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM. 4 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.