The Pulley,groove,aviation, cataloged under National Stock Number 1640-01-483-0680, is classified within Federal Supply Class 1640 (Aircraft Control Cable Products) of the Aircraft Components and Accessories group. The manufacturer of record is Advance Development & Manufacturing Corporation Dba Advance Development & Manufacturing. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1640-01-483-0680 |
| Primary Part Number | 3491AS0400-1 |
| Item Name | Pulley,groove,aviation |
| FSC / FSG | 1640 / 16 — Aircraft Control Cable Products |
| Manufacturer | Advance Development & Manufacturing Corporation Dba Advance Development & Manufacturing |
| Status | ACTIVE |
| Bearing Quantity | 36 |
| Bore Length | 2.6750 INCHES MINIMUM AND 2.6800 INCHES MAXIMUM IN |
| Groove Radius | 0.7750 INCHES NOMINAL IN |
| Groove Shape | U |
| Supplementary Features | INTERNAL RETAINING RING;TWO TURN TYPE;SIZE .054 X .350;TENSILE STRENGTH 211.000 - 236.000 PSI;TREATMENT STRESS RELIEVE;FINISH ZINC PLATE PER QQ-Z-325 CLASS 3 TYPE 1 |
| Criticality Code Justification | FEAT |
| Groove Depth | 1.373 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Bearing Type | BALL |
| Keying Facility | NOT INCLUDED |
| Bore Diameter | 18.6990 INCHES MINIMUM AND 18.7008 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 3491AS0400-1 | Advance Development & Manufacturing Corporation Dba Advance Development & Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 3491AS0400-1 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 3491AS0400-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1640-01-483-0680 is a Pulley,groove,aviation, manufactured by Advance Development & Manufacturing Corporation Dba Advance Development & Manufacturing, classified under FSC 1640, Aircraft Control Cable Products. Status: active.
NSN 1640-01-483-0680 has 1 manufacturer part number on file: 3491AS0400-1 (Advance Development & Manufacturing Corporation Dba Advance Development & Manufacturing).
Key specifications for 3491AS0400-1: Bearing Quantity: 36; Bore Length: 2.6750 INCHES MINIMUM AND 2.6800 INCHES MAXIMUM IN; Groove Radius: 0.7750 INCHES NOMINAL IN; Groove Shape: U. 14 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 1640-01-483-0680 has DEMIL Code D. 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.