The O-Ring, cataloged under National Stock Number 5331-01-605-9543, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Network Equipment Technologies Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-605-9543 |
| Primary Part Number | 037801 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Network Equipment Technologies Inc |
| Status | ACTIVE |
| Outside Diameter | 0.563 INCHES NOMINAL IN |
| Center Hole Diameter | 0.438 INCHES NOMINAL IN |
| 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 |
|---|---|
| 037801 PRIMARY | Network Equipment Technologies Inc (USA) |
NSN 5331-01-605-9543 is a O-Ring, manufactured by Network Equipment Technologies Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-605-9543 has 1 manufacturer part number on file: 037801 (Network Equipment Technologies Inc).
Key specifications for 037801: Outside Diameter: 0.563 INCHES NOMINAL IN; Center Hole Diameter: 0.438 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING; End Item Identification: 5805-01-580-3529 CENTRAL OFFICE, TELEPHONE, AUTOMATIC. 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.