The Gear,spur, cataloged under National Stock Number 3020-00-293-4595, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-293-4595 |
| Primary Part Number | 188970 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.313 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Teeth Quantity | 32 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.688 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.250 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Hardness Rating | 25.0 ROCKWELL C NOMINAL HUB |
| Hardness Rating | 35.0 ROCKWELL C NOMINAL TEETH |
| Nominal Overall Length | 0.875 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.062 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 416SE OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.187 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-00-293-4595 is a Gear,spur, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-293-4595 has 2 manufacturer part numbers on file: 188970 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 188970 (Aero International, Llc Dba Ams Engineered Solutions).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-201-9936, 7690-01-595-1097. Verify interchangeability with system specifications before substitution.
Key specifications for 188970: Bore Nominal Diameter: 0.313 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Teeth Quantity: 32; Body Style: PLAIN, SOLID. 22 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 3020-00-293-4595 has DEMIL Code Q. 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.