The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-550-1499, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-550-1499 |
| Primary Part Number | ISO7380-M8X20 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Width Across Flats | 5.7 MILLIMETERS MINIMUM MM |
| Head Height | 4.1 MILLIMETERS MINIMUM AND 4.4 MILLIMETERS MAXIMUM MM |
| Fastener Length | 23.6 MILLIMETERS MINIMUM AND 24.8 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | ISO 4042 NATIONAL STD/SPEC ALL TREATMENT RESPONSES OR ISO 10683 NATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Pitch in Millimeters | 1.3 |
| Thread Length | 19.5 MILLIMETERS MINIMUM AND 20.4 MILLIMETERS MAXIMUM MM |
| Supplementary Features | INFORMATION CONTAINED ON DRAWING P10048 CAGE ZG731/3-1-B PROPRIETARY |
| Material Document and Classification | ISO 8992 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | BINDING |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | I9008 - ISO 7380 NATIONAL STD/SPEC |
| Internal Drive Style | HEXAGON |
| Material | STEEL OVERALL |
| Head Diameter | 13.5 MILLIMETERS MINIMUM AND 14.0 MILLIMETERS MAXIMUM 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 |
|---|---|
| ISO7380-M8X20 PRIMARY | International Organization for Standardization (iso) (CHE) |
NSN 5305-01-550-1499 is a Screw,cap,socket Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-550-1499 has 1 manufacturer part number on file: ISO7380-M8X20 (International Organization for Standardization (iso)).
Key specifications for ISO7380-M8X20: Width Across Flats: 5.7 MILLIMETERS MINIMUM MM; Head Height: 4.1 MILLIMETERS MINIMUM AND 4.4 MILLIMETERS MAXIMUM MM; Fastener Length: 23.6 MILLIMETERS MINIMUM AND 24.8 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: ISO 4042 NATIONAL STD/SPEC ALL TREATMENT RESPONSES OR ISO 10683 NATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL. 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.