The Knob, cataloged under National Stock Number 5355-00-157-5580, 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20 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-157-5580 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.484 INCHES MAXIMUM IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.980 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN |
| Skirt Outside Diameter | 1.525 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 0.890 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN |
| Counterbore Depth | 0.320 INCHES MINIMUM IN |
| Reference Marking | SLOT |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.640 INCHES MINIMUM IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Color | GRAY, FED STD 595, 36231 |
| 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 |
|---|---|
| MS91528-2H2G | 3/2 Design control — primary reference U.S. Government activity |
| 91H4MC | 5/1 Secondary reference U.S. Government activity |
| MS91528-2H2G | 5/9 Secondary reference U.S. Government activity |
| 281-0636 | D/9 Drawing number reference only Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| NASM3926 | 3/1 Design control — primary reference U.S. Government activity |
| 509-3DS-2GM | 5/1 Secondary reference Lerco Div Space-Lok Inc |
| 281-0636-080 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2H2G | 5/1 Secondary reference Electronic Hardware Corp Dba Electronic Hardware Corp |
NSN 5355-00-157-5580 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
Key specifications for 5355-00-157-5580: Distance From Hole Center to Knob/skirt Base: 0.484 INCHES MAXIMUM IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.980 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN; Skirt Outside Diameter: 1.525 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.