The Gear,spur, cataloged under National Stock Number 3020-00-153-0288, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 21 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-153-0288 |
| Primary Part Number | 1204-150 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.438 INCHES BOTH ENDS IN |
| Teeth Quantity | 60 |
| Surface Treatment Document and Classification | FS10052,CAGE 72314 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 4 PLAIN AXIALLY THROUGH BODY FIRST END |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Mounting Hole Nominal Diameter | 0.120 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS, RECESSED BODY |
| Material Document and Classification | MIL-S-8503 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 1.291 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 6150 OVERALL |
| Attachment Method | MOUNTING HOLE |
| Body Recess Nominal Depth | 0.062 INCHES FIRST END IN |
| Body Recess Nominal Depth | 0.062 INCHES SECOND END IN |
| Face Nominal Width | 0.250 INCHES IN |
| 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 |
|---|---|
| 1204-150 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
NSN 3020-00-153-0288 is a Gear,spur, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-153-0288 has 1 manufacturer part number on file: 1204-150 (Bae Systems Information and Electronic Systems Integration Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4810-00-937-3358. Verify interchangeability with system specifications before substitution.
Key specifications for 1204-150: Bore Nominal Diameter: 0.438 INCHES BOTH ENDS IN; Teeth Quantity: 60; Surface Treatment Document and Classification: FS10052,CAGE 72314 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Body Style: WEBBED, SOLID. 21 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.