The Knob, cataloged under National Stock Number 5355-00-559-4937, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-559-4937 |
| 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 |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Style Designator | ROUND WITH SINGLE POINTED BAR FACE |
| Outside Diameter | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Counterbore Depth | 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Specification/standard Data | 96906-MS21384 GOVERNMENT STANDARD |
| Counterbore Diameter | 0.360 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | SMOOTH |
| Color | GRAY, FED STD 595, 36231 |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| 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 |
| Reference | Meaning |
|---|---|
| MS21384-14ENN | 5/9 Secondary reference U.S. Government activity |
| ST5M1252N103A | 5/9 Secondary reference The Boeing Company Div Defense |
| NASM21384 | 3/1 Design control — primary reference U.S. Government activity |
| MS21384-14ENN | 3/2 Design control — primary reference U.S. Government activity |
| MS21384-20 | 5/9 Secondary reference U.S. Government activity |
| MIL-K-25049 | 5/9 Secondary reference U.S. Government activity |
NSN 5355-00-559-4937 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
Key specifications for 5355-00-559-4937: Distance From Hole Center to Knob/skirt Base: 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Style Designator: ROUND WITH SINGLE POINTED BAR FACE. 19 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.