The Plunger,barrel, cataloged under National Stock Number 2910-00-897-4563, is classified within Federal Supply Class 2910 (Engine Fuel System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cooper Machinery Services Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Plunger,barrel |
| FSC / FSG | 2910 — Engine Fuel System Components, Nonaircraft (FSG 29) |
| Manufacturers | Cooper Machinery Services Llc (CAGE 14541); Hatch & Kirk, Inc. (CAGE 55380) |
| Parameter | Value |
|---|---|
| NSN | 2910-00-897-4563 |
| Primary Part Number | B25-10-165042 |
| Item Name | Plunger,barrel |
| FSC / FSG | 2910 / 29 — Engine Fuel System Components, Nonaircraft |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| B25-10-165042 | Cooper Machinery Services Llc (USA) |
| 59590246 | Hatch & Kirk, Inc. (USA) |
| 5959-0246 | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 59590246 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
| 10-165042 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 5959-0246 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
| 10-165042 | 5/9 Secondary reference Unison Industries Llc |
| 10-165042 | 3/9 Design control — primary reference Haynes Corporation |
NSN 2910-00-897-4563 is a Plunger,barrel, manufactured by Cooper Machinery Services Llc, classified under FSC 2910, Engine Fuel System Components, Nonaircraft. Status: active.
NSN 2910-00-897-4563 has 3 manufacturer part numbers on file: B25-10-165042 (Cooper Machinery Services Llc), 59590246 (Hatch & Kirk, Inc.), 5959-0246 (Hatch & Kirk, Inc.).
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.