The Knob, cataloged under National Stock Number 5355-00-668-4899, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-668-4899 |
| Primary Part Number | NAS120R125 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.375 INCHES NOMINAL IN |
| Inside Width | 0.125 INCHES NOMINAL IN |
| Shaft Accommodation Style | RECTANGULAR |
| Inside Length | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Style Designator | BALL |
| Outside Diameter | 0.750 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Specification/standard Data | 80205-NAS120 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Gripping Surface Condition | SMOOTH |
| Color | RED |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | PLASTIC |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
| Part Number | Manufacturer |
|---|---|
| NAS120R125 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| NAS120R125 | Plastic and Metal Products Corporation (USA) |
| NAS120R125 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS120R125 | Nor-Cal Supply Co (USA) |
| NAS120R125 PRIMARY | Hi-Shear Corporation (USA) |
| NAS120R125 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| NAS120R125 | 5/9 Secondary reference U.S. Government activity |
| NAS120R125 | 5/9 Secondary reference F and C Sales Inc |
| NAS120R125 | 5/9 Secondary reference Collins Engineering Corp |
| NAS120 | 3/1 Design control — primary reference U.S. Government activity |
| NAS120R-125 | 3/2 Design control — primary reference U.S. Government activity |
| NAS120R125 | 5/9 Secondary reference Air Industries Co Inc |
NSN 5355-00-668-4899 is a Knob, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-668-4899 has 6 manufacturer part numbers on file: NAS120R125 (Fairchild Fasteners Europe - Vsd Gmbh), NAS120R125 (Plastic and Metal Products Corporation), NAS120R125 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS120R125 (Nor-Cal Supply Co), NAS120R125 (Hi-Shear Corporation) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 5355-00-765-8216, 5355-01-041-9729. Verify interchangeability with system specifications before substitution.
Key specifications for NAS120R125: Distance From Hole Center to Knob/skirt Base: 0.375 INCHES NOMINAL IN; Inside Width: 0.125 INCHES NOMINAL IN; Shaft Accommodation Style: RECTANGULAR; Inside Length: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM 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.