The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-216-7890, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-216-7890 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.902 INCHES MINIMUM AND 0.974 INCHES MAXIMUM IN |
| Fastener Length | 4.500 INCHES NOMINAL IN |
| Thread Length | 3.250 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM OVERALL |
| Hole Configuration Style | HEXAGON CORNERS |
| Material Document and Classification | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.175 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 6 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.094 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 300-4684413 ITEM 3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-216-7890 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-301-4381. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-216-7890: Head Height: 0.902 INCHES MINIMUM AND 0.974 INCHES MAXIMUM IN; Fastener Length: 4.500 INCHES NOMINAL IN; Thread Length: 3.250 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN; Hardness Rating: 24.0 ROCKWELL C MINIMUM 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.