The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-142-9067, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bellofram Corporation. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-142-9067 |
| Primary Part Number | 58670 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Outside Diameter | 1.028 INCHES MINIMUM AND 1.058 INCHES MAXIMUM IN |
| Style Designator | SPECIAL SHAPED |
| Material Thickness | 0.011 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 58670 | Meggitt North Hollywood Inc (USA) |
| 58670 PRIMARY | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| 58670 | 5/9 Secondary reference U.S. Government activity |
| 58670 | 3/2 Design control — primary reference U.S. Government activity |
| 10124640 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 58670 | 5/9 Secondary reference Diaphragm Industries Inc |
| 58670 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 4820-01-142-9067 is a Diaphragm,actuator Valve,special, manufactured by Bellofram Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-142-9067 has 2 manufacturer part numbers on file: 58670 (Meggitt North Hollywood Inc), 58670 (Bellofram Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-362-4297. Verify interchangeability with system specifications before substitution.
Key specifications for 58670: Outside Diameter: 1.028 INCHES MINIMUM AND 1.058 INCHES MAXIMUM IN; Style Designator: SPECIAL SHAPED; Material Thickness: 0.011 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN. 3 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.