The Knob, cataloged under National Stock Number 5355-01-051-6972, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-051-6972 |
| Primary Part Number | B4946-001 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc |
| Status | ACTIVE |
| Inside Width | 0.343 INCHES NOMINAL IN |
| Shaft Accommodation Style | FLATTED ONE SIDE |
| Overall Thickness | 0.620 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Gripping Surface Condition | GRIP AID |
| Color | NATURAL |
| Material | ALUMINUM ALLOY 6061 |
| Attachment Method | HOLE |
| 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 |
|---|---|
| B4946-001 PRIMARY | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
| B4946-1 | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
| Reference | Meaning |
|---|---|
| B4946-001 | 5/9 Secondary reference Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp |
| B4946-1 | 5/9 Secondary reference Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp |
NSN 5355-01-051-6972 is a Knob, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-051-6972 has 2 manufacturer part numbers on file: B4946-001 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), B4946-1 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc).
Key specifications for B4946-001: Inside Width: 0.343 INCHES NOMINAL IN; Shaft Accommodation Style: FLATTED ONE SIDE; Overall Thickness: 0.620 INCHES NOMINAL IN; Style Designator: ROUND. 10 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.