The Valve,pneumatic Tank, cataloged under National Stock Number 4820-01-449-4537, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ametek Ameron, Llc Div Ametek Aerospace & Defense, Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-449-4537 |
| Primary Part Number | 9484924 |
| Item Name | Valve,pneumatic Tank |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ametek Ameron, Llc Div Ametek Aerospace & Defense, Inc. |
| Status | ACTIVE |
| Flow Control Device | STEM AND INTEGRAL DISK |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Thread Class | 3A A |
| First End Style Designator | EXTERNAL SEAT FOR GASKET SEAL |
| Material Document and Classification | AISI 303SE ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | AISI 303SE ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| First End Connection Type | THREADED EXTERNAL BOSS |
| Surface Treatment | PASSIVATE AND DICHROMATE OUTSIDE |
| Media for Which Designed | AIR |
| Material | STEEL COMP 303SE BODY |
| Material | STEEL COMP 303SE FLOW CONTROL DEVICE |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Second End Outside Diameter Tube Accommodated | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-449-4537 is a Valve,pneumatic Tank, manufactured by Ametek Ameron, Llc Div Ametek Aerospace & Defense, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-449-4537 has 3 manufacturer part numbers on file: 9484924 (Air Armament Center/ En), 9484924 (Ametek Ameron, Llc Div Ametek Aerospace & Defense, Inc.), 9484924 (Marvin Engineering Co, Inc).
Key specifications for 9484924: Flow Control Device: STEM AND INTEGRAL DISK; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Body Style: STRAIGHT THRU. 17 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.