The Ramp,loading,vehicle, cataloged under National Stock Number 3990-01-673-8636, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. The manufacturer of record is Harper Trucks, Inc. Dba Harper. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3990-01-673-8636 |
| Primary Part Number | FAP SCT |
| Item Name | Ramp,loading,vehicle |
| FSC / FSG | 3990 / 39 — Miscellaneous Materials Handling Equipment |
| Manufacturer | Harper Trucks, Inc. Dba Harper |
| Status | ACTIVE |
| Platform | INCLUDED |
| 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 |
|---|---|
| FAP SCT PRIMARY | Harper Trucks, Inc. Dba Harper (USA) |
| Reference | Meaning |
|---|---|
| 11B4550063 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 3990-01-673-8636 is a Ramp,loading,vehicle, manufactured by Harper Trucks, Inc. Dba Harper, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
NSN 3990-01-673-8636 has 1 manufacturer part number on file: FAP SCT (Harper Trucks, Inc. Dba Harper).
Key specifications for FAP SCT: Special Features: 10.0 INCH WHEEL SIZE, 500.0 POUND AND 800 POUND HAND TRUC LBS; Part Name Assigned by Controlling Agency: STAIR CRAWLER KIT; End Item Identification: 016270524; Platform: INCLUDED. 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.
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.