The Sprocket Wheel, cataloged under National Stock Number 3020-00-139-7682, 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 Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics. Government technical data includes 19 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 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 | 3020-00-139-7682 |
| Primary Part Number | 69-4526 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics |
| Status | ACTIVE |
| Bore Length | 0.625 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.300 INCHES NOMINAL IN |
| Outside Diameter | 0.5610 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-A-250/4, ALLOY 2024, T351 FED SPEC SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 0.5330 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.312 INCHES NOMINAL IN |
| Teeth Row Quantity | 2 |
| Teeth Quantity Per Row | 5 |
| Counterbore Location | AA END |
| Counterbore Diameter | 0.406 INCHES NOMINAL IN |
| Center to Center Distance Between Teeth Rows | 0.425 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.1561 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Furnished Items | COUNTERBORE |
| Face Width | 0.545 INCHES NOMINAL 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 |
|---|---|
| 69-4526 PRIMARY | Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics (USA) |
NSN 3020-00-139-7682 is a Sprocket Wheel, manufactured by Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-139-7682 has 1 manufacturer part number on file: 69-4526 (Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics).
2 possible matches (shared part number, not a government interchangeability claim): 5342-00-830-8315, 5330-01-081-1756. Verify interchangeability with system specifications before substitution.
Key specifications for 69-4526: Bore Length: 0.625 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.300 INCHES NOMINAL IN; Outside Diameter: 0.5610 INCHES NOMINAL IN. 19 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.