The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-273-5191, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-273-5191 |
| Primary Part Number | 3290062 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Head Height | 0.422 INCHES NOMINAL IN |
| Fastener Length | 3.750 INCHES NOMINAL IN |
| Thread Length | 1.375 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN |
| Hardness Rating | 100.0 ROCKWELL B MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Designator | AS MODIFIED BY HEAD HOLE CONFIGURATION AND HEAD HEIGHT |
| Width Between Flats | 0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 10 STYLE |
| Minimum Tensile Strength | 64000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 52000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Hole Quantity | 2 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| 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 |
|---|---|
| 3290062 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3290062 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5305-00-273-5191 is a Screw,cap,hexagon Head, manufactured by Hatch & Kirk, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-00-273-5191 has 1 manufacturer part number on file: 3290062 (Hatch & Kirk, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 7690-01-479-1575, 4710-01-577-5336. Verify interchangeability with system specifications before substitution.
Key specifications for 3290062: Head Height: 0.422 INCHES NOMINAL IN; Fastener Length: 3.750 INCHES NOMINAL IN; Thread Length: 1.375 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN; Hardness Rating: 100.0 ROCKWELL B MAXIMUM OVERALL. 20 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.