The Knob, cataloged under National Stock Number 5355-01-378-2001, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Grauch Enterprises, Inc Dba Grauch Enterprises, Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-378-2001 |
| Primary Part Number | 1645-3-GE |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Grauch Enterprises, Inc Dba Grauch Enterprises, Inc |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.219 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.438 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 1 |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Screw Drive Type | SLOT |
| Material | PLASTIC |
| 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 |
|---|---|
| 1645-3-GE PRIMARY | Grauch Enterprises, Inc Dba Grauch Enterprises, Inc (USA) |
| 1645-3-522 | Cosmo Corporation (USA) |
| 520570-047 | Marathonnorco Aerospace, Inc. Dba Christie Electric (USA) |
NSN 5355-01-378-2001 is a Knob, manufactured by Grauch Enterprises, Inc Dba Grauch Enterprises, Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-378-2001 has 3 manufacturer part numbers on file: 1645-3-GE (Grauch Enterprises, Inc Dba Grauch Enterprises, Inc), 1645-3-522 (Cosmo Corporation), 520570-047 (Marathonnorco Aerospace, Inc. Dba Christie Electric).
Key specifications for 1645-3-GE: Distance From Hole Center to Knob/skirt Base: 0.219 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.438 INCHES NOMINAL IN; Style Designator: ROUND. 12 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.