The Screw,close Tolerance, cataloged under National Stock Number 5305-01-549-9616, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Blanc Aero Industries - Groupe Lisi Aerospace. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-549-9616 |
| Primary Part Number | ASNA2001V3-4 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Blanc Aero Industries - Groupe Lisi Aerospace |
| Status | ACTIVE |
| Fastener Length | 0.511 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN |
| Thread Length | 0.276 INCHES MINIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | NAS 621,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1153 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.250 INCHES NOMINAL IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R54520 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 |
|---|---|
| ASNA2001V3-4 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| ASNA2001T3-4 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| Reference | Meaning |
|---|---|
| NAS1153V4A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-549-9616 is a Screw,close Tolerance, manufactured by Blanc Aero Industries - Groupe Lisi Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-549-9616 has 2 manufacturer part numbers on file: ASNA2001V3-4 (Blanc Aero Industries - Groupe Lisi Aerospace), ASNA2001T3-4 (Blanc Aero Industries - Groupe Lisi Aerospace).
Key specifications for ASNA2001V3-4: Fastener Length: 0.511 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN; Thread Length: 0.276 INCHES MINIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL; Material Document and Classification: NAS 621,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V. 19 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.