The O-Ring, cataloged under National Stock Number 5331-01-021-6883, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Brooks Instrument Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-021-6883 |
| Primary Part Number | F-375-B-229-SU-A |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Brooks Instrument Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| F-375-B-229-SU-A PRIMARY | Brooks Instrument Llc (USA) |
| Reference | Meaning |
|---|---|
| L1147-018 PIECE 36 | C/1 Advisory reference — outside the item-of-supply concept Brooks Instrument Llc |
| L1147-018 PIECE 36 | 5/9 Secondary reference U.S. Government activity |
| F-375-B-229-SU-A | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-021-6883 is a O-Ring, manufactured by Brooks Instrument Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-021-6883 has 1 manufacturer part number on file: F-375-B-229-SU-A (Brooks Instrument Llc).
Key specifications for F-375-B-229-SU-A: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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.