The Pulley,groove,aviation, cataloged under National Stock Number 1640-01-552-5420, is classified within Federal Supply Class 1640 (Aircraft Control Cable Products) of the Aircraft Components and Accessories group. The manufacturer of record is General Dynamics Information Technology, Inc. Div Csgov - Csra. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1640-01-552-5420 |
| Primary Part Number | 22E1244-1 |
| Item Name | Pulley,groove,aviation |
| FSC / FSG | 1640 / 16 — Aircraft Control Cable Products |
| Manufacturer | General Dynamics Information Technology, Inc. Div Csgov - Csra |
| 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 |
|---|---|
| 22E1244-1 | General Dynamics Information Technology, Inc. Div Csgov - Csra (USA) |
| Reference | Meaning |
|---|---|
| 22E1244-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1640-01-552-5420 is a Pulley,groove,aviation, manufactured by General Dynamics Information Technology, Inc. Div Csgov - Csra, classified under FSC 1640, Aircraft Control Cable Products. Status: active.
NSN 1640-01-552-5420 has 1 manufacturer part number on file: 22E1244-1 (General Dynamics Information Technology, Inc. Div Csgov - Csra).
Key specifications for 22E1244-1: Special Features: ITEM NAME TEXT AND INAVY NAME ARE RAST MESS LT ASSY,A;SMIC IS VH, WHICH IS NON-CRITICAL;END ITEM IDENTIFICATION IS RAST MESS LT ASSY,A;ARR CODE LIST;SH60F;HH-60H AIRCRAFT;SH-60B AIRCRAFT MODEL CODE;SH-60F PROGRAM CODE. 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.