The Knob, cataloged under National Stock Number 5355-01-057-0465, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Ballantine Laboratories Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5355-01-057-0465 |
| Primary Part Number | 40-10050-0A |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Ballantine Laboratories Inc |
| Status | ACTIVE |
| Overall Thickness | 0.781 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES STUD IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Thread Quantity Per Inch | 20 STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Attachment Method | STUD |
| 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 |
|---|---|
| 40-10050-0A | Ballantine Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 40100500 | 5/9 Secondary reference Ballantine Laboratories Inc |
| 242-1/4-20 X 3/8 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5355-01-057-0465 is a Knob, manufactured by Ballantine Laboratories Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-057-0465 has 1 manufacturer part number on file: 40-10050-0A (Ballantine Laboratories Inc).
Key specifications for 40-10050-0A: Overall Thickness: 0.781 INCHES NOMINAL IN; Style Designator: ROUND; Outside Diameter: 1.000 INCHES NOMINAL IN; Nominal Thread Size: 0.250 INCHES STUD IN. 9 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.