The Knob, cataloged under National Stock Number 5355-01-578-0752, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Reid Supply Company. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-578-0752 |
| Primary Part Number | BD-40 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Reid Supply Company |
| Status | ACTIVE |
| Overall Thickness | 2.500 INCHES NOMINAL IN |
| Style Designator | TAPERED WITH COUNTERSUNK FACE |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| BD-40 PRIMARY | Reid Supply Company (USA) |
| Reference | Meaning |
|---|---|
| 6D28906-IT11 | 5/9 Secondary reference Westinghouse Electric Corp Bettis Atomic Power Laboratory Naval Reactors Facility |
NSN 5355-01-578-0752 is a Knob, manufactured by Reid Supply Company, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-578-0752 has 1 manufacturer part number on file: BD-40 (Reid Supply Company).
Key specifications for BD-40: Overall Thickness: 2.500 INCHES NOMINAL IN; Style Designator: TAPERED WITH COUNTERSUNK FACE; Outside Diameter: 1.625 INCHES NOMINAL IN; Special Features: TOP OF KNOB IS OVAL NOT COUNTERSUNK AND HAS A BLACK OR RED BRASS INSERT. 4 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.