The Trap,moisture, cataloged under National Stock Number 4730-00-875-9750, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-875-9750 |
| Primary Part Number | 9975908 |
| Item Name | Trap,moisture |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Outlet Connection Type and Quantity | 1 THREADED INTERNAL PIPE |
| Inlet Connection Nominal Pipe Size | 0.250 INCHES IN |
| Outlet Connection Nominal Pipe Size | 0.125 INCHES IN |
| Outlet Thread Direction | RIGHT-HAND |
| Outlet Thread Series Designator | NPT |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Overall Outside Diameter | 3.484 INCHES MINIMUM AND 3.531 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND INLET |
| Inlet Thread Series Designator | NPT |
| Outlet Thread Quantity Per Inch | 27 |
| Inlet Connection Type and Quantity | 1 THREADED EXTERNAL PIPE |
| Material | BRONZE BODY |
| Material | COPPER ALLOY FLOAT |
| Material | COPPER ALLOY FLOAT ARM |
| Material | COPPER ALLOY VALVE |
| Inlet Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 9975908 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 9975908 | 3/9 Design control — primary reference Master Pneumatic-Detroit Inc |
NSN 4730-00-875-9750 is a Trap,moisture, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-875-9750 has 1 manufacturer part number on file: 9975908 (Us Army Aviation and Missile Command).
Key specifications for 9975908: Outlet Connection Type and Quantity: 1 THREADED INTERNAL PIPE; Overall Height: 8.031 INCHES MINIMUM AND 8.531 INCHES MAXIMUM IN; Inlet Connection Nominal Pipe Size: 0.250 INCHES IN; Outlet Connection Nominal Pipe Size: 0.125 INCHES IN. 16 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.