The Knob, cataloged under National Stock Number 5355-00-421-5109, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 18 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5355-00-421-5109 |
| Primary Part Number | 70-4WL-2G |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.187 INCHES MAXIMUM IN |
| Shaft Accommodation Style | COUNTERBORED |
| Length | 1.020 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN |
| Overall Thickness | 0.580 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Style Designator | POINTER |
| Counterbore Depth | 0.026 INCHES MINIMUM IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.485 INCHES MINIMUM IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 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 |
|---|---|
| 70-4WL-2G | Raytheon Company (USA) |
| 1T2B | Electronic Hardware Corp Dba Electronic Hardware Corp (USA) |
| 70-4WL-2G | Raytheon Company Dba Raytheon Co (USA) |
| 507-4WL-2M | Lerco Div Space-Lok Inc (USA) |
| Reference | Meaning |
|---|---|
| MS91528-1T2B | 3/2 Design control — primary reference U.S. Government activity |
| KMS7P W/WHITE LINE 2L | 5/9 Secondary reference Dar Electronics Inc Dba National Radio Co |
| KMS7P W/WHITE LINE 2L | 5/9 Secondary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
| KMS7P W/WHITE LINE 2L | 5/9 Secondary reference U.S. Government activity |
| 72A4MA/WL | 5/2 Secondary reference U.S. Government activity |
| MS91528-1T2B | 5/9 Secondary reference U.S. Government activity |
| NASM3926 | 3/1 Design control — primary reference U.S. Government activity |
| 70-4WL-2G | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5355-00-421-5109 is a Knob, manufactured by Raytheon Company, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-421-5109 has 4 manufacturer part numbers on file: 70-4WL-2G (Raytheon Company), 1T2B (Electronic Hardware Corp Dba Electronic Hardware Corp), 70-4WL-2G (Raytheon Company Dba Raytheon Co), 507-4WL-2M (Lerco Div Space-Lok Inc).
Key specifications for 70-4WL-2G: Distance From Hole Center to Knob/skirt Base: 0.187 INCHES MAXIMUM IN; Shaft Accommodation Style: COUNTERBORED; Length: 1.020 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN; Overall Thickness: 0.580 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN. 18 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.