The Screw,machine, cataloged under National Stock Number 5305-01-596-1187, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-596-1187 |
| Primary Part Number | 95345A091 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Extended Washer Thickness | 0.024 INCHES NOMINAL IN |
| Head Height | 0.133 INCHES NOMINAL IN |
| Fastener Length | 0.508 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.383 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | MODIFIED PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 302 |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.373 INCHES NOMINAL IN |
| 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 |
|---|---|
| 95345A091 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 95345A091 | 3/2 Design control — primary reference U.S. Government activity |
| 273034 | 5/9 Secondary reference Mirion Technologies (canberra), Inc. |
NSN 5305-01-596-1187 is a Screw,machine, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-596-1187 has 1 manufacturer part number on file: 95345A091 (Mcmaster-Carr Supply Co).
Key specifications for 95345A091: Extended Washer Thickness: 0.024 INCHES NOMINAL IN; Head Height: 0.133 INCHES NOMINAL IN; Fastener Length: 0.508 INCHES NOMINAL IN; Extended Washer Diameter: 0.383 INCHES NOMINAL IN. 14 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.