The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-382-9149, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Apd Cryogenics Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 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 | 4820-00-382-9149 |
| Primary Part Number | C8100 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Apd Cryogenics Inc |
| Status | ACTIVE |
| Valve Stem Design | SINGLE SEAT |
| First End Thread Direction | LEFT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.0 TO 25.0 CAMERA MOUNT |
| Second End Thread Direction | LEFT-HAND |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Material | BRONZE SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Media for Which Designed | ACETYLENE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED EXTERNAL GAS CYLINDER |
| Furnished Items | AUTOMATIC RELIEF VALVE AND INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE |
| Thread Size and Series/type Designator | 9/16-18 UNF FIRST END |
| Thread Size and Series/type Designator | 0.880-14 NGO SECOND END |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| C8100 PRIMARY | Apd Cryogenics Inc (USA) |
NSN 4820-00-382-9149 is a Valve,regulating,fluid Pressure, manufactured by Apd Cryogenics Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-382-9149 has 1 manufacturer part number on file: C8100 (Apd Cryogenics Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-00-494-1458. Verify interchangeability with system specifications before substitution.
Key specifications for C8100: Valve Stem Design: SINGLE SEAT; First End Thread Direction: LEFT-HAND; Second End Relationship with First End: NOT IDENTICAL; Body Style: ANGLE. 20 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.