The Valve,ball, cataloged under National Stock Number 4820-01-033-7242, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Montreal Bronze Ltd Dba Les Fonderies De Bronze Montr?al. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-033-7242 |
| Primary Part Number | P-1102 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Montreal Bronze Ltd Dba Les Fonderies De Bronze Montr?al |
| Status | ACTIVE |
| Connection Type | FLANGE FIRST END |
| Valve Size | 2.500 INCHES IN |
| Nondefinitive Spec/std Data | 7 FIGURE AND 3 TYPE |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| P-1102 PRIMARY | Montreal Bronze Ltd Dba Les Fonderies De Bronze Montr?al (CAN) |
| Reference | Meaning |
|---|---|
| MIL-V-24509 | 4/1 Identification reference U.S. Government activity |
NSN 4820-01-033-7242 is a Valve,ball, manufactured by Montreal Bronze Ltd Dba Les Fonderies De Bronze Montr?al, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-033-7242 has 1 manufacturer part number on file: P-1102 (Montreal Bronze Ltd Dba Les Fonderies De Bronze Montr?al).
2 possible matches (shared part number, not a government interchangeability claim): 4520-01-280-9689, 4710-01-365-6944. Verify interchangeability with system specifications before substitution.
Key specifications for P-1102: Connection Type: FLANGE FIRST END; Valve Size: 2.500 INCHES IN; Nondefinitive Spec/std Data: 7 FIGURE AND 3 TYPE; Valve Operation Method: MANUAL. 4 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.