The Thumbscrew, cataloged under National Stock Number 5305-00-069-8697, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Harmonic Drive L.l.c.. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-069-8697 |
| Primary Part Number | 86-53-052 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Harmonic Drive L.l.c. |
| Status | ACTIVE |
| Head Height | 6.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 5H |
| Fastener Length | 25.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 25.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | POINTLESS |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Head Diameter | 30.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 86-53-052 PRIMARY | Harmonic Drive L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| DIN 653 | 5/9 Secondary reference Metric and Multistandard Components Corp |
| 11578705 | 7/2 Vendor item drawing reference Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| DIN 653 | 3/9 Design control — primary reference Zelenda Machine and Tools Corp |
NSN 5305-00-069-8697 is a Thumbscrew, manufactured by Harmonic Drive L.l.c., classified under FSC 5305, Screws. Status: active.
NSN 5305-00-069-8697 has 1 manufacturer part number on file: 86-53-052 (Harmonic Drive L.l.c.).
Key specifications for 86-53-052: Head Height: 6.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 5H; Fastener Length: 25.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.25. 13 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.