The Gear,spur, cataloged under National Stock Number 3020-01-388-4740, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3 Technologies, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-388-4740 |
| Primary Part Number | A-16648 TYPE 4 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3 Technologies, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| A-16648 TYPE 4 PRIMARY | L3 Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10-1538 ITEM NO.621 | 5/9 Secondary reference L3 Technologies, Inc. |
| CD10-1538N ITEM 621 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1538 | D/9 Drawing number reference only L3 Technologies, Inc. |
| CD10-1538N | D/9 Drawing number reference only L3 Technologies, Inc. |
NSN 3020-01-388-4740 is a Gear,spur, manufactured by L3 Technologies, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-388-4740 has 1 manufacturer part number on file: A-16648 TYPE 4 (L3 Technologies, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-388-4758, 5340-01-707-6745, 5895-01-717-5166. Verify interchangeability with system specifications before substitution.
Key specifications for A-16648 TYPE 4: End Item Identification: SYNCHRO TRANSMITTER TYPE 1C/4BG21-1. 0 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.