The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-304-6731, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Astral Air Parts Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-304-6731 |
| Primary Part Number | NAS1352C06LE16 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Astral Air Parts Inc |
| Status | ACTIVE |
| Width Across Flats | 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN |
| Head Height | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Fastener Length | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 0.750 INCHES MINIMUM IN |
| Hardness Rating | 80.0 ROCKWELL B MINIMUM FASTENER |
| Material Document and Classification | ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PATCH OR PELLET OR STRIP THREADS |
| Surface Treatment | PASSIVATE FASTENER |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 30000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 FASTENER |
| Thread Series Designator | UNRC |
| Head Diameter | 0.218 INCHES MINIMUM AND 0.226 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 |
|---|---|
| NAS1352C06LE16 | Astral Air Parts Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1352C06LE16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-304-6731 is a Screw,cap,socket Head, manufactured by Astral Air Parts Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-304-6731 has 1 manufacturer part number on file: NAS1352C06LE16 (Astral Air Parts Inc).
Key specifications for NAS1352C06LE16: Width Across Flats: 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN; Head Height: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN; Fastener Length: 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE FASTENER. 22 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.