The O-Ring, cataloged under National Stock Number 5331-01-664-6063, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. 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 | 5331-01-664-6063 |
| Primary Part Number | MS9021-116 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories 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 |
|---|---|
| MS9021-116 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
NSN 5331-01-664-6063 is a O-Ring, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-664-6063 has 1 manufacturer part number on file: MS9021-116 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for MS9021-116: End Item Identification: 4440-01-378-7770; DEHYDRATER UNIT, NONREACTIVATING; PN 5900-G501. 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.