The Knob, cataloged under National Stock Number 5355-00-899-3289, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-899-3289 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.500 INCHES NOMINAL IN |
| Inside Width | 0.125 INCHES NOMINAL IN |
| Shaft Accommodation Style | RECTANGULAR |
| Inside Length | 0.625 INCHES NOMINAL IN |
| Style Designator | BALL |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES SCREW HOLE IN |
| Specification/standard Data | 80205-NAS121 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Gripping Surface Condition | SMOOTH |
| Color | BLACK |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | PLASTIC |
| Thread Series Designator | UNF SCREW HOLE |
| Attachment Method | MACHINE SCREW |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NAS121C125 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS121C125 | 5/9 Secondary reference Apcom Inc |
| NAS121 | 3/1 Design control — primary reference U.S. Government activity |
| NAS121C125 | 5/9 Secondary reference U.S. Government activity |
| NAS121C125 | 5/9 Secondary reference Air Industries Co Inc |
| NAS121C125 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS121C-125 | 3/2 Design control — primary reference U.S. Government activity |
| NAS121C125 | 5/9 Secondary reference Eriks Southwest Inc Dba Montclair Enterprises |
| NAS121C125 | 5/9 Secondary reference Hi-Shear Corporation |
| NAS121C125 | 5/9 Secondary reference Nor-Cal Supply Co |
| NAS121C125 | 5/9 Secondary reference Collins Engineering Corp |
NSN 5355-00-899-3289 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
Key specifications for 5355-00-899-3289: Distance From Hole Center to Knob/skirt Base: 0.500 INCHES NOMINAL IN; Inside Width: 0.125 INCHES NOMINAL IN; Shaft Accommodation Style: RECTANGULAR; Inside Length: 0.625 INCHES NOMINAL IN. 15 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.