The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-139-3376, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-139-3376 |
| Primary Part Number | C9100A |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Apd Cryogenics Inc |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Valve Stem Design | SINGLE SEAT |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | MANUAL, DOUBLE STAGE |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | AIR |
| Thread Size and Series/type Designator | 0.250-18 NPT FIRST 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 |
|---|---|
| C9100A | Apd Cryogenics Inc (USA) |
| Reference | Meaning |
|---|---|
| 233B645014 | 3/9 Design control — primary reference Air Products & Chemicals, Inc |
NSN 4820-00-139-3376 is a Valve,regulating,fluid Pressure, manufactured by Apd Cryogenics Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-139-3376 has 1 manufacturer part number on file: C9100A (Apd Cryogenics Inc).
Key specifications for C9100A: Flow Control Device: DIAPHRAGM; Valve Stem Design: SINGLE SEAT; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE. 12 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.