The Transfer Transmission Assembly, cataloged under National Stock Number 2520-00-657-6299, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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 | 2520-00-657-6299 |
| Primary Part Number | 6576299 |
| Item Name | Transfer Transmission Assembly |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Mounting Hole Spacing | 2 HOLES SPACED 27 IN. C TO C 1 HOLE CENTERED ON REAR IN |
| Output Shaft End Quantity | 1 |
| Mounting Hole Diameter | 0.500 INCHES NOMINAL IN |
| Output Shaft End Type | SPLINED |
| Input Shaft End Type | SPLINED |
| 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 |
|---|---|
| 6576299 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2520-00-657-6299 is a Transfer Transmission Assembly, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-657-6299 has 1 manufacturer part number on file: 6576299 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 6576299: Mounting Hole Quantity: 3; Overall Height: 18.500 INCHES NOMINAL IN; Mounting Hole Spacing: 2 HOLES SPACED 27 IN. C TO C 1 HOLE CENTERED ON REAR IN; Output Shaft End Quantity: 1. 6 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.