The O-Ring, cataloged under National Stock Number 5331-01-230-2450, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Brooks Instrument Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Brooks Instrument Llc (CAGE 4ZW64) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-230-2450 |
| Primary Part Number | G-375-B-111-QTA |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Brooks Instrument Llc |
| 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 |
|---|---|
| K-1350-340 ITEM 7B | Brooks Instrument Llc (USA) |
| G-375-B-111-QTA PRIMARY | Brooks Instrument Llc (USA) |
| Reference | Meaning |
|---|---|
| G-375-B-111-QTA | 3/9 Design control — primary reference U.S. Government activity |
| LL-HX4-5125 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| K-1350-340 ITEM 7B | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-230-2450 is a O-Ring, manufactured by Brooks Instrument Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-230-2450 has 2 manufacturer part numbers on file: K-1350-340 ITEM 7B (Brooks Instrument Llc), G-375-B-111-QTA (Brooks Instrument Llc).
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.