The Screw,close Tolerance, cataloged under National Stock Number 5305-01-494-0841, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-494-0841 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 2.8 MILLIMETERS MINIMUM AND 3.0 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 4H6H |
| Fastener Length | 8.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 8.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NA0089 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 9.00 MILLIMETERS NOMINAL MM |
| Grip Diameter | 5.0000 MILLIMETERS NOMINAL MM |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Material | STEEL OVERALL |
| Thread Series Designator | MJ |
| Head Diameter | 9.7 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NA0089-050008 | 3/9 Design control — primary reference Aerospace Rivet Mfrs Corp |
NSN 5305-01-494-0841 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-494-0841: Head Height: 2.8 MILLIMETERS MINIMUM AND 3.0 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 4H6H; Fastener Length: 8.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: QQ-P-416 TY2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.