The Thumbscrew, cataloged under National Stock Number 5305-01-412-8763, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-412-8763 |
| Primary Part Number | 7186-7 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.310 INCHES NOMINAL IN |
| Material Document and Classification | ASTMA322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 2.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UN |
| 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 |
|---|---|
| 7186-7 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 7186-7 | 3/9 Design control — primary reference Age Logistics Corporation |
NSN 5305-01-412-8763 is a Thumbscrew, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-412-8763 has 1 manufacturer part number on file: 7186-7 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 7186-7: Fastener Length: 2.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 2.310 INCHES NOMINAL IN; Material Document and Classification: ASTMA322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.