The O-Ring, cataloged under National Stock Number 5331-01-694-4773, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-694-4773 |
| Primary Part Number | V041047 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 4.370 INCHES NOMINAL 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 |
|---|---|
| V041047 PRIMARY | Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology (USA) |
NSN 5331-01-694-4773 is a O-Ring, manufactured by Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-694-4773 has 1 manufacturer part number on file: V041047 (Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology).
Key specifications for V041047: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Color: BLACK; Center Hole Diameter: 4.370 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: TOP ORING; NEUTRON PROBE. 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.