The Pulley,groove,aviation, cataloged under National Stock Number 1640-01-494-6372, is classified within Federal Supply Class 1640 (Aircraft Control Cable Products) of the Aircraft Components and Accessories group. The manufacturer of record is The Timken Company Dba Timken Super Precision Mpb. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1640-01-494-6372 |
| Primary Part Number | 515114-2 |
| Item Name | Pulley,groove,aviation |
| FSC / FSG | 1640 / 16 — Aircraft Control Cable Products |
| Manufacturer | The Timken Company Dba Timken Super Precision Mpb |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | NOT INCLUDED |
| Bearing Quantity | 2 |
| Split Hub Feature | NOT INCLUDED |
| Design Form | PLAIN |
| Groove Shape | U |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 2 |
| Keying Facility | NOT INCLUDED |
| Lightening Hole | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 515114-2 | The Timken Company Dba Timken Super Precision Mpb (USA) |
| 515114-2 | The Entwistle Company Llc (USA) |
| 515114-2 | Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings (USA) |
| 515114-2 | Mechanical Components Corp (USA) |
| 515114-2 | Nassau Tool Works, Inc (USA) |
| 515114-2 | U.s.a. Spares Inc. (USA) |
| Reference | Meaning |
|---|---|
| 515114-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1640-01-494-6372 is a Pulley,groove,aviation, manufactured by The Timken Company Dba Timken Super Precision Mpb, classified under FSC 1640, Aircraft Control Cable Products. Status: active.
NSN 1640-01-494-6372 has 6 manufacturer part numbers on file: 515114-2 (The Timken Company Dba Timken Super Precision Mpb), 515114-2 (The Entwistle Company Llc), 515114-2 (Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings), 515114-2 (Mechanical Components Corp), 515114-2 (Nassau Tool Works, Inc) and 1 more.
Key specifications for 515114-2: Integral Cooling Vane: NOT INCLUDED; Bore Feature: NOT INCLUDED; Bearing Quantity: 2; Split Hub Feature: NOT INCLUDED. 11 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 1640-01-494-6372 has DEMIL Code B. 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.