The Sheave Assembly,boom, cataloged under National Stock Number 2590-00-147-5280, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-00-147-5280 |
| Primary Part Number | 11647840-1 |
| Item Name | Sheave Assembly,boom |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF SHEAVE MOUNT P/N 11647871 FSCM 19207; SWIVEL BLOCK ASSEMBLYP/N 11647868 FSCM 19207; 4 P/N COTTER P/N MS24665-423 FSCM 96906; 2 P/N COTTER P/N 11647875 FSCM 19207; RETAINING PIN P/N 11676928 FSCM 19207; SHEAVE PIN P/N 11676927 FSCM 19207; SHEAVE ASSEMBLY P/N 11676929 FSCM 19207; HAND NUTP/N 11647869 FSCM 19207; FITTING GREASE P/N MS15003-1 FSCM 96906; NUT P/N MS35691-2002 FSCM 96906 |
| 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 |
|---|---|
| 11647840-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2590-00-147-5280 is a Sheave Assembly,boom, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-00-147-5280 has 1 manufacturer part number on file: 11647840-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11647840-1: General Characteristics Item Description: CONSISTS OF SHEAVE MOUNT P/N 11647871 FSCM 19207; SWIVEL BLOCK ASSEMBLYP/N 11647868 FSCM 19207; 4 P/N COTTER P/N MS24665-423 FSCM 96906; 2 P/N COTTER P/N 11647875 FSCM 19207; RETAINING PIN P/N 11676928 FSCM 19207; SHEAVE PIN P/N 11676927 FSCM 19207; SHEAVE ASSEMBLY P/N 11676929 FSCM 19207; HAND NUTP/N 11647869 FSCM 19207; FITTING GREASE P/N MS15003-1 FSCM 96906; NUT P/N MS35691-2002 FSCM 96906. 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.