The Knob, cataloged under National Stock Number 5355-01-049-4142, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-049-4142 |
| Primary Part Number | 507-4WL-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 | 0.187 INCHES MAXIMUM IN |
| Inside Width | 0.107 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Length | 1.020 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN |
| Overall Thickness | 0.580 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Material Transparency | OPAQUE |
| Style Designator | POINTER |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Specification/standard Data | 96906-MS91528 GOVERNMENT STANDARD |
| Inside Diameter | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | GRIP AID |
| Width | 0.690 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| 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 |
|---|---|
| 507-4WL-3M | Lerco Div Space-Lok Inc (USA) |
| 1T3B | Electronic Hardware Corp Dba Electronic Hardware Corp (USA) |
| 70-4WL-1DG | Electronic Hardware Corp Panel Products Div (USA) |
| Reference | Meaning |
|---|---|
| NASM3926 | 3/1 Design control — primary reference U.S. Government activity |
| MIL-K-3926 | 5/9 Secondary reference U.S. Government activity |
| MS91528-1T3B | 5/9 Secondary reference U.S. Government activity |
| AIA/NAS NASM3926 | 5/9 Secondary reference U.S. Government activity |
| MS91528-1T3B | 3/2 Design control — primary reference U.S. Government activity |
| 70-4WL-1DG | 5/9 Secondary reference Raytheon Company Div Corp |
| KMS7P W/WHITE LINE 1DL | 5/9 Secondary reference U.S. Government activity |
| 72ABMA/WL | 5/2 Secondary reference U.S. Government activity |
| KMS7P W/WHITE LINE 1DL | 5/9 Secondary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
| KMS7P W/WHITE LINE 1DL | 5/9 Secondary reference Dar Electronics Inc Dba National Radio Co |
NSN 5355-01-049-4142 is a Knob, manufactured by Lerco Div Space-Lok Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-049-4142 has 3 manufacturer part numbers on file: 507-4WL-3M (Lerco Div Space-Lok Inc), 1T3B (Electronic Hardware Corp Dba Electronic Hardware Corp), 70-4WL-1DG (Electronic Hardware Corp Panel Products Div).
Key specifications for 507-4WL-3M: Distance From Hole Center to Knob/skirt Base: 0.187 INCHES MAXIMUM IN; Inside Width: 0.107 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Shaft Accommodation Style: FLATTED ONE SIDE; Length: 1.020 INCHES MINIMUM AND 1.070 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.