The O-Ring, cataloged under National Stock Number 5331-01-428-2429, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. 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 | 5331-01-428-2429 |
| Primary Part Number | 25C85-131 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Grimes Aerospace Company |
| 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 |
|---|---|
| 25C85-131 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5331-01-428-2429 is a O-Ring, manufactured by Grimes Aerospace Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-428-2429 has 1 manufacturer part number on file: 25C85-131 (Grimes Aerospace Company).
Key specifications for 25C85-131: End Item Identification: HEATER ASSY, P/N 10E21-2; VARIOUS HEATER CONVERSION KITS, INC. P/NS 19E40-1, -2, -3. 0 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.