The Knob, cataloged under National Stock Number 5355-01-629-3221, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-629-3221 |
| Primary Part Number | 06A8174023 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
| Status | ACTIVE |
| Shank Diameter | 1.0 INCHES NOMINAL IN |
| Overall Thickness | 1.125 INCHES NOMINAL IN |
| Shank Length | 0.750 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 2.0 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES SCREW HOLE IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Thread Quantity Per Inch | 24 SCREW HOLE |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | CENTER HOLE |
| 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 |
|---|---|
| 06A8174023 PRIMARY | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA) |
NSN 5355-01-629-3221 is a Knob, manufactured by Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-629-3221 has 1 manufacturer part number on file: 06A8174023 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army).
Key specifications for 06A8174023: Shank Diameter: 1.0 INCHES NOMINAL IN; Overall Thickness: 1.125 INCHES NOMINAL IN; Shank Length: 0.750 INCHES NOMINAL IN; Style Designator: ROUND. 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.