The Screw,machine, cataloged under National Stock Number 5305-01-672-0833, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Aeronautics Division - Pomigliano D'arco Site. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-672-0833 |
| Primary Part Number | NAS1102V5A8 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site |
| Status | ACTIVE |
| Head Height | 0.133 INCHES NOMINAL IN |
| Screw Surface Treatment | ALUMINUM |
| Fastener Length | 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Document Type | CIVIL STANDARD |
| Screw Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE AND AMS4928 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.367 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | TITANIUM ALLOY |
| Internal Drive Style | OFFSET CRUCIFORM RIBBED |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.617 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | NAS4006 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| NAS1102V5A8 | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| Reference | Meaning |
|---|---|
| NAS1102V5A8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-672-0833 is a Screw,machine, manufactured by Leonardo Spa Aeronautics Division - Pomigliano D'arco Site, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-672-0833 has 1 manufacturer part number on file: NAS1102V5A8 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site).
Key specifications for NAS1102V5A8: Head Height: 0.133 INCHES NOMINAL IN; Screw Surface Treatment: ALUMINUM; Fastener Length: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Document Type: CIVIL STANDARD. 17 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.