The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4810-01-507-7357, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Automatic Switch Company Dba Asco. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | Automatic Switch Company Dba Asco (CAGE 04845) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-507-7357 |
| Primary Part Number | 166838-048 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Automatic Switch Company Dba Asco |
| 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 |
|---|---|
| 166838-048 PRIMARY | Automatic Switch Company Dba Asco (USA) |
| AV279730 ITEM 20 PN 166838-048 | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| AV279730 | D/9 Drawing number reference only Automatic Switch Company Dba Asco |
NSN 4810-01-507-7357 is a Diaphragm,actuator Valve,special, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-507-7357 has 2 manufacturer part numbers on file: 166838-048 (Automatic Switch Company Dba Asco), AV279730 ITEM 20 PN 166838-048 (Automatic Switch Company Dba Asco).
4 possible matches (shared part number, not a government interchangeability claim): 4810-01-507-7513, 4810-01-507-7515, 4810-01-507-7521. Verify interchangeability with system specifications before substitution.
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.