The Screw,close Tolerance, cataloged under National Stock Number 5305-01-520-9405, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-520-9405 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 1.901 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ALUMINUM PIGMENTED COATING PER NAS4006 FED SPEC 1ST TREATMENT RESPONSE AND CETYL ALCOHOL LUBRICANT PER MIL-L-87132, TYPE 3, GRADE B FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 0.260 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | 3AL-4VAMS4928 FED SPEC 1ST MATERIAL RESPONSE OR AMS4967 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.189 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.625 INCHES NOMINAL IN |
| Grip Diameter | 0.163 INCHES NOMINAL IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 3180 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORX |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.380 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 | Y |
| Reference | Meaning |
|---|---|
| 120-265V3A26 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-520-9405 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-520-9405: Fastener Length: 1.901 INCHES NOMINAL IN; Surface Treatment Document and Classification: ALUMINUM PIGMENTED COATING PER NAS4006 FED SPEC 1ST TREATMENT RESPONSE AND CETYL ALCOHOL LUBRICANT PER MIL-L-87132, TYPE 3, GRADE B FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 0.260 INCHES NOMINAL IN; Criticality Code Justification: AGAV. 20 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.