The O-Ring Set, cataloged under National Stock Number 5331-01-668-3977, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Teledyne Flir Defense, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring Set |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Saab Australia Pty Ltd (CAGE Z1BP5); Teledyne Flir Defense, Inc (CAGE 1U1P7) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-668-3977 |
| Primary Part Number | 431-051-0014 |
| Item Name | O-Ring Set |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Teledyne Flir Defense, Inc |
| 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 |
|---|---|
| 431-051-0014 | Saab Australia Pty Ltd (AUS) |
| 431-051-0014 PRIMARY | Teledyne Flir Defense, Inc (USA) |
NSN 5331-01-668-3977 is a O-Ring Set, manufactured by Teledyne Flir Defense, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-668-3977 has 2 manufacturer part numbers on file: 431-051-0014 (Saab Australia Pty Ltd), 431-051-0014 (Teledyne Flir Defense, 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.