The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-440-9719, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-440-9719 |
| Primary Part Number | 802-5773417 REV D PC 68 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Head Height | 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Length | 1.318 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Hardness Rating | 37.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER |
| Material Document and Classification | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PELLET THREADS |
| Color | BLACK FASTENER |
| Surface Treatment | OXIDE FASTENER |
| Minimum Tensile Strength | 170000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL UNS K03104 FASTENER |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Thread Series Designator | UNRC |
| Head Diameter | 0.921 INCHES MINIMUM AND 0.937 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 |
|---|---|
| 802-5773417 REV D PC 68 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| K-4-3-25 | C/1 Advisory reference — outside the item-of-supply concept Bird-Johnson Propeller Company, Llc |
| NAS1352-10-LN24 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 315424 PC 77 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| NAS1352-10LN24 | 3/2 Design control — primary reference U.S. Government activity |
| PL-315424 PC 77 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| 112157083 FIND 86 | C/1 Advisory reference — outside the item-of-supply concept Bird-Johnson Propeller Company, Llc |
NSN 5305-01-440-9719 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-440-9719 has 1 manufacturer part number on file: 802-5773417 REV D PC 68 (Naval Sea Systems Command).
Key specifications for 802-5773417 REV D PC 68: Width Across Flats: 0.500 INCHES NOMINAL IN; Head Height: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Fastener Length: 1.500 INCHES NOMINAL IN; Thread Length: 1.318 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. 21 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.