The Screw,machine, cataloged under National Stock Number 5305-01-652-5316, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Crytologic Systems Group. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-652-5316 |
| Primary Part Number | 81190 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Crytologic Systems Group |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | BUTTON |
| Thread Quantity Per Inch | 32 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-652-5316 is a Screw,machine, manufactured by Crytologic Systems Group, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-652-5316 has 2 manufacturer part numbers on file: 81190 (Crytologic Systems Group), 81190 (Tamper-Pruf Screws Inc).
Key specifications for 81190: Nominal Thread Diameter: 0.190 INCHES IN; Head Style: BUTTON; Special Features: 10-32 X 3/4 SCREW W/T-25 DRIVE; Part Name Assigned by Controlling Agency: SECURITY SCREW; TORX DRIVE BUTTONHEAD ALLOY MACHINE SCREW. 3 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.