The Knob, cataloged under National Stock Number 5355-01-012-5187, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-012-5187 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Inside Width | 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Overall Thickness | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Skirt Outside Diameter | 0.880 INCHES NOMINAL IN |
| Style Designator | ROUND WITH BAR FACE |
| Outside Diameter | 0.860 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Reference Marking | ARROW |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Specification/standard Data | 96906-MS21385 GOVERNMENT STANDARD |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| Color | WHITE |
| Skirt Design | NONDETACHABLE |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | FLARED |
| 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 |
| Reference | Meaning |
|---|---|
| MS21385-04GNN | 3/2 Design control — primary reference U.S. Government activity |
| MS21385-04GNN | 5/9 Secondary reference U.S. Government activity |
| NASM21385 | 3/1 Design control — primary reference U.S. Government activity |
| MS21385-28 | 5/9 Secondary reference U.S. Government activity |
NSN 5355-01-012-5187 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
Key specifications for 5355-01-012-5187: Distance From Hole Center to Knob/skirt Base: 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN; Inside Width: 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN; Shaft Accommodation Style: FLATTED ONE SIDE; Overall Thickness: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN. 20 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.