The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-080-1713, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hatz Diesel of America Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-080-1713 |
| Primary Part Number | 50051800 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hatz Diesel of America Inc |
| Status | ACTIVE |
| Width Across Flats | 6.0 MILLIMETERS NOMINAL MM |
| Head Height | 8.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 18.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 15.5 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | DIN 912 8.8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 113784 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Head Diameter | 13.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 50051800 PRIMARY | Hatz Diesel of America Inc (USA) |
| Reference | Meaning |
|---|---|
| DIN912M8X18 | C/1 Advisory reference — outside the item-of-supply concept Fabory Usa Ltd. |
| 69384 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 5157900 | C/1 Advisory reference — outside the item-of-supply concept Itt Marlow a Unit of Itt Pumps and Compressors Div |
NSN 5305-01-080-1713 is a Screw,cap,socket Head, manufactured by Hatz Diesel of America Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-080-1713 has 1 manufacturer part number on file: 50051800 (Hatz Diesel of America Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4240-01-623-0515, 1440-01-685-0855. Verify interchangeability with system specifications before substitution.
Key specifications for 50051800: Width Across Flats: 6.0 MILLIMETERS NOMINAL MM; Head Height: 8.0 MILLIMETERS NOMINAL MM; Fastener Length: 18.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.25. 15 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.