The Knob, cataloged under National Stock Number 5355-00-453-1981, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Uk Ltd. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-453-1981 |
| Primary Part Number | 4513A597 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Leonardo Uk Ltd |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.300 INCHES NOMINAL IN |
| Shaft Accommodation Style | COUNTERBORED |
| Length | 0.750 INCHES NOMINAL IN |
| Style Designator | ROUND WITH SINGLE POINTER |
| Counterbore Depth | 0.200 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 1 |
| Counterbore Diameter | 0.437 INCHES NOMINAL IN |
| Inside Diameter | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | SMOOTH |
| Color | BLACK |
| Width | 0.875 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 4513A597 PRIMARY | Leonardo Uk Ltd (GBR) |
NSN 5355-00-453-1981 is a Knob, manufactured by Leonardo Uk Ltd, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-453-1981 has 1 manufacturer part number on file: 4513A597 (Leonardo Uk Ltd).
Key specifications for 4513A597: Distance From Hole Center to Knob/skirt Base: 0.300 INCHES NOMINAL IN; Shaft Accommodation Style: COUNTERBORED; Length: 0.750 INCHES NOMINAL IN; Style Designator: ROUND WITH SINGLE POINTER. 13 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.