The Valve,flow Control, cataloged under National Stock Number 4820-01-503-8199, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dev-Air Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-503-8199 |
| Primary Part Number | CM-277-3-1NAV |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dev-Air Corporation |
| 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 |
|---|---|
| CM-277-3-1NAV | Dev-Air Corporation (USA) |
| Reference | Meaning |
|---|---|
| CM-277-3-1NAV | 3/2 Design control — primary reference U.S. Government activity |
| 1E9109-0733-01 ITEM 11 | 5/2 Secondary reference U.S. Government activity |
| 1E9109-0733-01 ITEM 10 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-503-8199 is a Valve,flow Control, manufactured by Dev-Air Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-503-8199 has 1 manufacturer part number on file: CM-277-3-1NAV (Dev-Air Corporation).
Key specifications for CM-277-3-1NAV: Special Features: VALVE FOUND ON BOTH THE HEAD CUSHION AND CAP CUSHION FOR THE N5F MODEL OF HYDRO-LINE'S N5 SERIES CYLINDERS; VITON SEALS; Part Name Assigned by Controlling Agency: HEAD NEEDLE ASSY AND CAP NEEDLE ASSY; End Item Identification: 3040-01-503-6305 CYLINDER ASSEMBLY, ACTUATING, LINEAR. 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.