The Gearshaft,spur, cataloged under National Stock Number 3040-00-690-2893, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-690-2893 |
| Primary Part Number | F-38491 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F-38491 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8738924 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 8738924 | 5/9 Secondary reference Lake Shore Systems, Inc. |
NSN 3040-00-690-2893 is a Gearshaft,spur, manufactured by Lake Shore Systems, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-690-2893 has 1 manufacturer part number on file: F-38491 (Lake Shore Systems, Inc.).
Key specifications for F-38491: Special Features: STEEL ALLOY COMP 8720,8620,4820,4320 COND OPT,SPEC QQ-S-624;ITEM HAS SPLINED ENDS WITH SPUR GEAR BETWEEN BUT NEARER TO LARGER SPLINED END;SPUR GEAR 2.7420 IN. MIN DIA 2.7500 IN. MAX DIA;LARGE SPLINE 2.1655 IN. MIN DIA 2.1660 IN. MAX DIA;SMALL SPLINE 1.9788 IN. MIN DIA 1.9793 IN. MAX DIA;O/A LG 10.2400 IN. IN. 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.
NSN 3040-00-690-2893 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.