The Knob, cataloged under National Stock Number 5355-00-823-4929, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Lerco Div Space-Lok Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-823-4929 |
| Primary Part Number | 507-2WD-3M |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Lerco Div Space-Lok Inc |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.369 INCHES MAXIMUM IN |
| Inside Width | 0.107 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Overall Thickness | 0.752 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Skirt Outside Diameter | 0.680 INCHES MAXIMUM IN |
| Material Transparency | OPAQUE |
| Style Designator | ROUND |
| Outside Diameter | 0.690 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Reference Marking | DOT |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Inside Diameter | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Skirt Design | NONDETACHABLE |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | STEPPED |
| 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 |
|---|---|
| 507-2WD-3M | Lerco Div Space-Lok Inc (USA) |
| 70-2WD-1DG | Raytheon Company Dba Raytheon Co (USA) |
| 70-2WD-1DG | Raytheon Company (USA) |
| 1E3B | Electronic Hardware Corp Dba Electronic Hardware Corp (USA) |
| Reference | Meaning |
|---|---|
| 71BBMA/WD | 5/2 Secondary reference U.S. Government activity |
| KMS7E1DL | 5/9 Secondary reference U.S. Government activity |
| KMS7EDL | 5/9 Secondary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
| KMS7E1DL | 5/9 Secondary reference Dar Electronics Inc Dba National Radio Co |
| 70-2WD-1DG | 5/9 Secondary reference Raytheon Company Div Corp |
| MS91528-1E3B | 5/9 Secondary reference U.S. Government activity |
| MS91528-1E3B | 3/2 Design control — primary reference U.S. Government activity |
| NASM3926 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5355-00-823-4929 is a Knob, manufactured by Lerco Div Space-Lok Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-823-4929 has 4 manufacturer part numbers on file: 507-2WD-3M (Lerco Div Space-Lok Inc), 70-2WD-1DG (Raytheon Company Dba Raytheon Co), 70-2WD-1DG (Raytheon Company), 1E3B (Electronic Hardware Corp Dba Electronic Hardware Corp).
Key specifications for 507-2WD-3M: Distance From Hole Center to Knob/skirt Base: 0.369 INCHES MAXIMUM IN; Inside Width: 0.107 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Shaft Accommodation Style: FLATTED ONE SIDE; Overall Thickness: 0.752 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN. 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.