The O-Ring, cataloged under National Stock Number 5331-01-585-8563, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Real-Time Laboratories, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Bae Systems Survivability Systems Llc (CAGE 6W728); Real-Time Laboratories, Llc (CAGE 62319); Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-585-8563 |
| Primary Part Number | 106600054 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Real-Time Laboratories, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 6431581-01M1 | Bae Systems Survivability Systems Llc (USA) |
| 106600054 PRIMARY | Real-Time Laboratories, Llc (USA) |
| 6431581-01M1 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6431581 | D/9 Drawing number reference only Bae Systems Survivability Systems Llc |
NSN 5331-01-585-8563 is a O-Ring, manufactured by Real-Time Laboratories, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-585-8563 has 3 manufacturer part numbers on file: 6431581-01M1 (Bae Systems Survivability Systems Llc), 106600054 (Real-Time Laboratories, Llc), 6431581-01M1 (Amz Alabama Inc.).
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.