The Knob, cataloged under National Stock Number 5355-01-660-3905, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-660-3905 |
| Primary Part Number | 12604805 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Length | 1.25 INCHES NOMINAL IN |
| Overall Thickness | 1.125 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 2.0 INCHES NOMINAL IN |
| Features Provided | KNURLED KNOB |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.5 INCHES SCREW HOLE IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Surface Treatment | BLACK OXIDE |
| Thread Quantity Per Inch | 13 SCREW HOLE |
| Material | STEEL |
| Attachment Method | THREADED HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5355-01-660-3905 is a Knob, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-660-3905 has 3 manufacturer part numbers on file: 6121K811 (Mcmaster-Carr Supply Co), 12604805 (U S Army Tank Automotive Command Amsta-Im-Mm), 12604805 (Oshkosh Defense Llc).
Key specifications for 12604805: Thread Length: 1.25 INCHES NOMINAL IN; Overall Thickness: 1.125 INCHES NOMINAL IN; Style Designator: ROUND; Outside Diameter: 2.0 INCHES NOMINAL IN. 13 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.