The O-Ring, cataloged under National Stock Number 5331-00-393-4055, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 2 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-393-4055 |
| Primary Part Number | 5200-000087 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Tescom Corp Dba Tescom Div Tescom |
| Status | ACTIVE |
| Cross-Sectional Height | 0.046 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 5200-000087 PRIMARY | Tescom Corp Dba Tescom Div Tescom (USA) |
NSN 5331-00-393-4055 is a O-Ring, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-393-4055 has 1 manufacturer part number on file: 5200-000087 (Tescom Corp Dba Tescom Div Tescom).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-363-0744. Verify interchangeability with system specifications before substitution.
Key specifications for 5200-000087: Cross-Sectional Height: 0.046 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 2 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.