The O-Ring, cataloged under National Stock Number 5331-01-120-3840, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-120-3840 |
| Primary Part Number | 5200-001137 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Tescom Corp Dba Tescom Div Tescom |
| Status | ACTIVE |
| Cross-Sectional Height | 2.540 INCHES MINIMUM AND 2.700 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.376 INCHES MINIMUM AND 1.412 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 |
|---|---|
| 5200-001137 PRIMARY | Tescom Corp Dba Tescom Div Tescom (USA) |
NSN 5331-01-120-3840 is a O-Ring, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-120-3840 has 1 manufacturer part number on file: 5200-001137 (Tescom Corp Dba Tescom Div Tescom).
Key specifications for 5200-001137: Cross-Sectional Height: 2.540 INCHES MINIMUM AND 2.700 INCHES MAXIMUM IN; Center Hole Diameter: 1.376 INCHES MINIMUM AND 1.412 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.