The O-Ring, cataloged under National Stock Number 5331-01-556-1409, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Highland Engineering, Inc.. 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 | 5331-01-556-1409 |
| Primary Part Number | 801-1500-11-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Highland Engineering, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Color | BROWN |
| Center Hole Diameter | 8.500 INCHES NOMINAL IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 801-1500-11-1 PRIMARY | Highland Engineering, Inc. (USA) |
NSN 5331-01-556-1409 is a O-Ring, manufactured by Highland Engineering, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-556-1409 has 1 manufacturer part number on file: 801-1500-11-1 (Highland Engineering, Inc.).
Key specifications for 801-1500-11-1: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Color: BROWN; Center Hole Diameter: 8.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: GASKET,BAC FILTER HOUSING. 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.