The Knob, cataloged under National Stock Number 5355-01-041-9729, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-041-9729 |
| Primary Part Number | NAS120L125 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shaft Accommodation Style | COUNTERBORED |
| Style Designator | BALL |
| Outside Diameter | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Counterbore Depth | 0.062 INCHES MINIMUM IN |
| Nominal Thread Size | 0.164 INCHES RECEPTACLE IN |
| Counterbore Diameter | 0.331 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN |
| Inside Diameter | 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| Thread Quantity Per Inch | 32 RECEPTACLE |
| Material | PLASTIC |
| 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 |
|---|---|
| NAS120L125 PRIMARY | Hi-Shear Corporation (USA) |
| NAS120L125 | Plastic and Metal Products Corporation (USA) |
| NAS120L125 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS120L125 | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS120L125 | 5/9 Secondary reference F and C Sales Inc |
| NAS120L125 | 5/9 Secondary reference U.S. Government activity |
| NAS120L-125 | 3/2 Design control — primary reference U.S. Government activity |
| NAS120L125 | 5/9 Secondary reference Air Industries Co Inc |
| NAS120L125 | 5/9 Secondary reference Collins Engineering Corp |
| NAS120 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5355-01-041-9729 is a Knob, manufactured by Hi-Shear Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-041-9729 has 4 manufacturer part numbers on file: NAS120L125 (Hi-Shear Corporation), NAS120L125 (Plastic and Metal Products Corporation), NAS120L125 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS120L125 (Nor-Cal Supply Co).
Key specifications for NAS120L125: Shaft Accommodation Style: COUNTERBORED; Style Designator: BALL; Outside Diameter: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN; Counterbore Depth: 0.062 INCHES MINIMUM IN. 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.