The Differential Gear Unit, cataloged under National Stock Number 3040-01-190-1377, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 5 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-190-1377 |
| Primary Part Number | 127504-002 |
| Item Name | Differential Gear Unit |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Overall Length | 1.620 INCHES IN |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 416 OVERALL |
| 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 |
|---|---|
| 127504-002 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3040-01-190-1377 is a Differential Gear Unit, manufactured by Astronautics Corporation of America, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-190-1377 has 1 manufacturer part number on file: 127504-002 (Astronautics Corporation of America).
Key specifications for 127504-002: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nominal Overall Length: 1.620 INCHES IN; Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: BOTH ENDS DIAMETER 0.935 INCHES NOMINAL; GEAR DIAMETER 0.600 INCHES MAXIMUM; 15 MINUTES OF ARC TOTAL MAXIMUM BACKLASH EACH DIRECTION MEASURED BETWEEN GEARS; TEMPERATURE RANGE -55 DEGREES TO 125 DEGREES CELSIUS; MAXIMUM OPERATING SPEED 60 RPM; 32 MICRO INCHES OVERALL IN. 5 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.