The O-Ring, cataloged under National Stock Number 5331-01-499-1447, 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 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-499-1447 |
| Primary Part Number | L-3810-028 REV B ITEM 2 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Brooks Instrument Llc |
| Status | ACTIVE |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| L-3810-028 REV B ITEM 2 | Brooks Instrument Llc (USA) |
| Reference | Meaning |
|---|---|
| 375B0228QTA | 3/9 Design control — primary reference U.S. Government activity |
| L-3810-028 REV B ITEM 2 | 5/9 Secondary reference U.S. Government activity |
| 375B0228QTA | C/1 Advisory reference — outside the item-of-supply concept Brooks Instrument Llc |
NSN 5331-01-499-1447 is a O-Ring, manufactured by Brooks Instrument Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-499-1447 has 1 manufacturer part number on file: L-3810-028 REV B ITEM 2 (Brooks Instrument Llc).
Key specifications for L-3810-028 REV B ITEM 2: Special Features: FOR SIZE 12 F-NPT CONNECTOR; End Item Identification: MODEL 3810 FLOW METER; Material: RUBBER FLUOROCARBON CLASS FPM. 1 specification is 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.