The Piston,drain Valve, cataloged under National Stock Number 2915-01-139-7176, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-01-139-7176 |
| Item Name | Piston,drain Valve |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY AMS4117; ANODIZE MIL-A-8625,TYPE 1; HARDCOAT MAJOR DIA PER AMS2469; 1.240 IN. MIN AND 1.243 IN. MAX LG; 0.9190 IN. MIN AND 0.9195 IN. MAX OD; INTERNAL THREADS 0.216-28UNF-3B,THREAD LG 0.300 IN.; MICROINCH FINISH 16 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10158965 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4031T84G02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2915-01-139-7176 is a Piston,drain Valve, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
Key specifications for 2915-01-139-7176: General Characteristics Item Description: ALUMINUM ALLOY AMS4117; ANODIZE MIL-A-8625,TYPE 1; HARDCOAT MAJOR DIA PER AMS2469; 1.240 IN. MIN AND 1.243 IN. MAX LG; 0.9190 IN. MIN AND 0.9195 IN. MAX OD; INTERNAL THREADS 0.216-28UNF-3B,THREAD LG 0.300 IN.; MICROINCH FINISH 16 IN; End Item Identification: ENGINE MODEL F402. 1 specification is 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.
NSN 2915-01-139-7176 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.