The Knob, cataloged under National Stock Number 5355-00-253-4207, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 12 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 | 5355-00-253-4207 |
| Primary Part Number | 1C5643P30 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Shank Diameter | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Shank Length | 5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN |
| Style Designator | BALL |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.312 INCHES RECEPTACLE IN |
| Inside Diameter | 0.312 INCHES NOMINAL IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | SMOOTH |
| Thread Quantity Per Inch | 18 RECEPTACLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RECEPTACLE |
| Attachment Method | SCREW ON |
| 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 |
|---|---|
| 1C5643P30 PRIMARY | General Electric Company (USA) |
NSN 5355-00-253-4207 is a Knob, manufactured by General Electric Company, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-253-4207 has 1 manufacturer part number on file: 1C5643P30 (General Electric Company).
Key specifications for 1C5643P30: Shank Diameter: 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Shank Length: 5.400 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN; Style Designator: BALL. 12 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.