The O-Ring, cataloged under National Stock Number 5331-01-129-5120, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-129-5120 |
| Primary Part Number | 2667646-129 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Center Hole Diameter | 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2667646-129 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| SOCN2667646-129 | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
NSN 5331-01-129-5120 is a O-Ring, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-129-5120 has 2 manufacturer part numbers on file: 2667646-129 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), SOCN2667646-129 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
Key specifications for 2667646-129: Center Hole Diameter: 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN; Material: RUBBER FLUOROSILICONE CLASS FQ. 2 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.