The Adapter,pump, cataloged under National Stock Number 2520-01-439-3899, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Great Lakes Power Products Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2520-01-439-3899 |
| Primary Part Number | 4101147 |
| Item Name | Adapter,pump |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Great Lakes Power Products Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4101147 PRIMARY | Great Lakes Power Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 4007538 | 3/9 Design control — primary reference Great Lakes Power Products Inc |
| 4101147 | 3/2 Design control — primary reference U.S. Government activity |
| 4007538 | 5/9 Secondary reference U.S. Government activity |
NSN 2520-01-439-3899 is a Adapter,pump, manufactured by Great Lakes Power Products Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-439-3899 has 1 manufacturer part number on file: 4101147 (Great Lakes Power Products Inc).
Key specifications for 4101147: Special Features: MOUNTING ADAPTER FOR SAE B PUMP, AUXILLARY PUMP DRIVE, LOCATION UPPER RIGHT HAND PAD; End Item Identification: 3930-01-417-2886. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.