The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-733-4576, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-733-4576 |
| Primary Part Number | ISO10642-M10X20-10.9-ZNNI8/CN/T2 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Width Across Flats | 6.020 MILLIMETERS MINIMUM AND 6.140 MILLIMETERS MAXIMUM MM |
| Head Height | 5.563 MILLIMETERS MINIMUM AND 6.200 MILLIMETERS MAXIMUM MM |
| Fastener Length | 19.58 MILLIMETERS MINIMUM AND 20.42 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | ISO 4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 19.58 MILLIMETERS MINIMUM AND 20.42 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | I9008-ISO 10642 INTERNATIONAL STD/SPEC |
| Surface Treatment | ZINC NICKEL OVERALL |
| Strength Grade Designation | 10.9 |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| Thread Class | 6G G |
| Material | STEEL PROPERTY CLASS 10.9 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 19.22 MILLIMETERS MINIMUM AND 20.69 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 |
|---|---|
| ISO10642-M10X20-10.9-ZNNI8/CN/T2 PRIMARY | International Organization for Standardization (iso) (CHE) |
| 2121 2622-491 | Bae Systems Hagglunds Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| ISO10642 | 3/1 Design control — primary reference International Organization for Standardization (iso) |
NSN 5305-01-733-4576 is a Screw,cap,socket Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-733-4576 has 2 manufacturer part numbers on file: ISO10642-M10X20-10.9-ZNNI8/CN/T2 (International Organization for Standardization (iso)), 2121 2622-491 (Bae Systems Hagglunds Aktiebolag).
Key specifications for ISO10642-M10X20-10.9-ZNNI8/CN/T2: Width Across Flats: 6.020 MILLIMETERS MINIMUM AND 6.140 MILLIMETERS MAXIMUM MM; Head Height: 5.563 MILLIMETERS MINIMUM AND 6.200 MILLIMETERS MAXIMUM MM; Fastener Length: 19.58 MILLIMETERS MINIMUM AND 20.42 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: ISO 4042 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.