The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-547-8997, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-547-8997 |
| Primary Part Number | ISO4014-M10X40-8.8 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Head Height | 6.4 MILLIMETERS NOMINAL MM |
| Fastener Length | 40.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 16.0 MILLIMETERS NOMINAL MM |
| Color | YELLOW OVERALL |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL PROPERTY CLASS 8.8 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| ISO4014-M10X40-8.8 PRIMARY | International Organization for Standardization (iso) (CHE) |
| Reference | Meaning |
|---|---|
| ISO4014 | 5/1 Secondary reference International Organization for Standardization (iso) |
NSN 5305-01-547-8997 is a Screw,cap,hexagon Head, manufactured by International Organization for Standardization (iso), classified under FSC 5305, Screws. Status: active.
NSN 5305-01-547-8997 has 1 manufacturer part number on file: ISO4014-M10X40-8.8 (International Organization for Standardization (iso)).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-572-0187, 5306-01-733-3263. Verify interchangeability with system specifications before substitution.
Key specifications for ISO4014-M10X40-8.8: Head Height: 6.4 MILLIMETERS NOMINAL MM; Fastener Length: 40.0 MILLIMETERS NOMINAL MM; Nominal Thread Diameter: 10.0 MILLIMETERS MM; Head Style: HEXAGON. 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.