The O-Ring, cataloged under National Stock Number 5331-01-691-5487, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Nd Defense Llc. 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 | 5331-01-691-5487 |
| Primary Part Number | 3005519C1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 3.53 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 32.93 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 3005519C1 PRIMARY | Nd Defense Llc (USA) |
NSN 5331-01-691-5487 is a O-Ring, manufactured by Nd Defense Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-691-5487 has 1 manufacturer part number on file: 3005519C1 (Nd Defense Llc).
Key specifications for 3005519C1: Cross-Sectional Height: 3.53 MILLIMETERS NOMINAL MM; Center Hole Diameter: 32.93 MILLIMETERS NOMINAL MM; End Item Identification: TRUCK TRACTOR. 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.