The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-140-3047, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-140-3047 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.049 INCHES NOMINAL0.049 INCHES NOMINAL IN |
| Fastener Length | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN |
| Thread Length | 0.122 INCHES NOMINAL0.122 INCHES NOMINAL IN |
| First Diameter From Head | 0.078 INCHES NOMINAL0.078 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNKFLAT COUNTERSUNK |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.190 INCHES NOMINAL0.190 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 11 |
| Surface Treatment | PASSIVATE OVERALLPASSIVATE OVERALL |
| Minimum Tensile Strength | 480 POUNDS PER SQUARE INCH480 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM101.0 DEGREES MAXIMUM |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 4040 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.207 INCHES MINIMUM AND 0.207 INCHES MINIMUM AND 0.225 INCHES MAXIMUM0.225 INCHES MAXIMUM 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 |
|---|---|
| 10115408 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7370004-2 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
| 7370004-2 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
NSN 5305-01-140-3047 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-140-3047: Head Height: 0.049 INCHES NOMINAL0.049 INCHES NOMINAL IN; Fastener Length: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN; Thread Length: 0.122 INCHES NOMINAL0.122 INCHES NOMINAL IN; First Diameter From Head: 0.078 INCHES NOMINAL0.078 INCHES NOMINAL IN. 18 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.