The Screw,close Tolerance, cataloged under National Stock Number 5305-01-724-5641, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mecaero Arconic Fastening Systems and Rings Toulouse. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-724-5641 |
| Primary Part Number | NAS1153V6F |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mecaero Arconic Fastening Systems and Rings Toulouse |
| Status | ACTIVE |
| Fastener Length | 0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN |
| Thread Length | 0.276 INCHES MINIMUM IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1153 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM 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 |
|---|---|
| NAS1153V6F | Mecaero Arconic Fastening Systems and Rings Toulouse (FRA) |
| Reference | Meaning |
|---|---|
| NAS1153V6F | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-724-5641 is a Screw,close Tolerance, manufactured by Mecaero Arconic Fastening Systems and Rings Toulouse, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-724-5641 has 1 manufacturer part number on file: NAS1153V6F (Mecaero Arconic Fastening Systems and Rings Toulouse).
Key specifications for NAS1153V6F: Fastener Length: 0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN; Thread Length: 0.276 INCHES MINIMUM IN; Head Style: FLAT COUNTERSUNK; Thread Direction: RIGHT-HAND. 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.