The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-138-6904, 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 10 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-138-6904 |
| Primary Part Number | ISO 4017-M8-16MM |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Head Height | 5.5 MILLIMETERS NOMINAL MM |
| Fastener Length | 21.50 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 0.630 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.315 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 13.0 MILLIMETERS NOMINAL MM |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| ISO 4017-M8-16MM PRIMARY | International Organization for Standardization (iso) (CHE) |
| 7423271959 | Arquus (FRA) |
| 23271959 | Volvo Lastvagnar Aktiebolag (SWE) |
| 90303-08163 | Sisu Defence Oy (FIN) |
| Reference | Meaning |
|---|---|
| DIN933M8-16MM | 5/9 Secondary reference Zelenda Machine and Tools Corp |
NSN 5305-00-138-6904 is a Screw,cap,hexagon Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
NSN 5305-00-138-6904 has 4 manufacturer part numbers on file: ISO 4017-M8-16MM (International Organization for Standardization (iso)), 7423271959 (Arquus), 23271959 (Volvo Lastvagnar Aktiebolag), 90303-08163 (Sisu Defence Oy).
Key specifications for ISO 4017-M8-16MM: Head Height: 5.5 MILLIMETERS NOMINAL MM; Fastener Length: 21.50 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.25; Thread Length: 0.630 INCHES NOMINAL IN. 10 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.