The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-439-8979, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Smith Eastern Corp Div Airverter. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4820-01-439-8979 |
| Primary Part Number | CT-05 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Smith Eastern Corp Div Airverter |
| 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 |
|---|---|
| CT-05 PRIMARY | Smith Eastern Corp Div Airverter (USA) |
NSN 4820-01-439-8979 is a Valve,regulating,fluid Pressure, manufactured by Smith Eastern Corp Div Airverter, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-439-8979 has 1 manufacturer part number on file: CT-05 (Smith Eastern Corp Div Airverter).
1 possible match (shared part number, not a government interchangeability claim): 7045-01-606-8558. Verify interchangeability with system specifications before substitution.
Key specifications for CT-05: Special Features: CONTROL KNOB,LOCK NUT AND PAINT NEEDLE SPRING PROVIDED; End Item Identification: 4940-01-439-7460 PAINT SPRAY GUN. 0 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.