The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-727-4939, 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 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-727-4939 |
| Primary Part Number | ISO 4762-M5X16-A4-80P |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Width Across Flats | 4.020 MILLIMETERS MINIMUM AND 4.095 MILLIMETERS MAXIMUM MM |
| Head Height | 4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM |
| Fastener Length | 15.65 MILLIMETERS MINIMUM AND 16.35 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | ISO 3506-1 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 15.65 MILLIMETERS MINIMUM AND 16.35 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | ISO4762 AND ISO 3506-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | I9008-ISO 4762 INTERNATIONAL STD/SPEC |
| Surface Treatment | PASSIVATE OVERALL |
| Strength Grade Designation | A4 - 80 |
| Chamfer Angle | 45.0 DEGREES NOMINAL |
| Internal Drive Style | HEXAGON |
| Thread Class | 6G G |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Head Diameter | 8.28 MILLIMETERS MINIMUM AND 8.72 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 |
|---|---|
| TR00006040-000 | T R Fastenings Ltd (GBR) |
| ISO 4762-M5X16-A4-80P PRIMARY | International Organization for Standardization (iso) (CHE) |
| 53570.050.016 | Fabory Metric Fasteners Corp (USA) |
NSN 5305-01-727-4939 is a Screw,cap,socket Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-727-4939 has 3 manufacturer part numbers on file: TR00006040-000 (T R Fastenings Ltd), ISO 4762-M5X16-A4-80P (International Organization for Standardization (iso)), 53570.050.016 (Fabory Metric Fasteners Corp).
Key specifications for ISO 4762-M5X16-A4-80P: Width Across Flats: 4.020 MILLIMETERS MINIMUM AND 4.095 MILLIMETERS MAXIMUM MM; Head Height: 4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM; Fastener Length: 15.65 MILLIMETERS MINIMUM AND 16.35 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: ISO 3506-1 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.