The O-Ring, cataloged under National Stock Number 5331-01-616-2297, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ludlum Measurements Inc. Government technical data includes 8 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 | 5331-01-616-2297 |
| Primary Part Number | 16-8334 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ludlum Measurements Inc |
| Status | ACTIVE |
| Temp Rating | 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Outside Diameter | 3.076 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Peripheral Diameter | 3.076 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 2.936 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE NITRILE |
| 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 |
|---|---|
| 16-8334 PRIMARY | Ludlum Measurements Inc (USA) |
NSN 5331-01-616-2297 is a O-Ring, manufactured by Ludlum Measurements Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-616-2297 has 1 manufacturer part number on file: 16-8334 (Ludlum Measurements Inc).
Key specifications for 16-8334: Temp Rating: 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Outside Diameter: 3.076 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 8 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.