The Diaphragm,actuator Valve,special, cataloged under National Stock Number 2915-01-587-8661, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-01-587-8661 |
| Primary Part Number | S9553-CH-MMO-010 FIG 7-29-22 CP |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| S9553-CH-MMO-010 FIG 7-29-22 CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 796931 REV A ITEM 1 CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 796931-001 OXYGEN CLEAN CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 796931-001 OXYGEN CLEAN | 5/9 Secondary reference J's Machine Shop |
| S9553-CH-MMO-010 FIG 7-29-22 | 3/1 Design control — primary reference Pacific Consolidated Industries Llc |
| 796931 REV A ITEM 1 | 5/1 Secondary reference Pacific Consolidated Industries Llc |
NSN 2915-01-587-8661 is a Diaphragm,actuator Valve,special, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-587-8661 has 3 manufacturer part numbers on file: S9553-CH-MMO-010 FIG 7-29-22 CP (Naval Inventory Control Point Mechanicsburg), 796931 REV A ITEM 1 CP (Naval Inventory Control Point Mechanicsburg), 796931-001 OXYGEN CLEAN CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for S9553-CH-MMO-010 FIG 7-29-22 CP: Criticality Code Justification: ZZZY; Special Features: 32 INCH WITH POSITIONER AND TUBINGS: 0.50 INCH STROKE IN; Part Name Assigned by Controlling Agency: ACTUATOR ASSY; End Item Identification: COLD BOX. 2 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.