The O-Ring, cataloged under National Stock Number 5331-01-556-6843, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Tyco Fire Products Lp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-556-6843 |
| Primary Part Number | 415040 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Material | RUBBER |
| 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 |
|---|---|
| 415040 PRIMARY | Tyco Fire Products Lp (USA) |
| 415027 ITEM 10 | Tyco Fire Products Lp (USA) |
NSN 5331-01-556-6843 is a O-Ring, manufactured by Tyco Fire Products Lp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-556-6843 has 2 manufacturer part numbers on file: 415040 (Tyco Fire Products Lp), 415027 ITEM 10 (Tyco Fire Products Lp).
Key specifications for 415040: Special Features: END ITEM: CHECK VALVE,OUTSIDE DIA IS O.796 INCH MIN TO 0.806 INCH MAX AND INSIDE DIA IS 0.067 INCH MIN TO 0.073 INCH MAX IN; Material: RUBBER. 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.