The Knob, cataloged under National Stock Number 5355-00-144-7108, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Microspace Instruments, Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-144-7108 |
| Primary Part Number | 600305-1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Microspace Instruments, Inc |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.250 INCHES NOMINAL IN |
| Inside Width | 0.223 INCHES NOMINAL IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Length | 1.250 INCHES NOMINAL IN |
| Overall Thickness | 0.688 INCHES NOMINAL IN |
| Style Designator | ROUND WITH FIN LEVER |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Inside Diameter | 0.253 INCHES NOMINAL IN |
| Gripping Surface Condition | SMOOTH |
| Color | GRAY/GREY |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | PLASTIC |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS |
| 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 |
|---|---|
| 600305-1 PRIMARY | Microspace Instruments, Inc (USA) |
| Reference | Meaning |
|---|---|
| 600305-1 | D/9 Drawing number reference only U.S. Government activity |
NSN 5355-00-144-7108 is a Knob, manufactured by Microspace Instruments, Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-144-7108 has 1 manufacturer part number on file: 600305-1 (Microspace Instruments, Inc).
Key specifications for 600305-1: Distance From Hole Center to Knob/skirt Base: 0.250 INCHES NOMINAL IN; Inside Width: 0.223 INCHES NOMINAL IN; Shaft Accommodation Style: FLATTED ONE SIDE; Length: 1.250 INCHES NOMINAL IN. 17 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.