The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-134-0187, 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19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-134-0187 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.280 INCHES NOMINAL0.280 INCHES NOMINAL IN |
| Fastener Length | 0.720 INCHES NOMINAL0.720 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13001 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALLPS13001 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.270 INCHES NOMINAL0.270 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.082 INCHES MINIMUM AND 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM0.092 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUTFLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 11 |
| Surface Treatment | PASSIVATE OVERALLPASSIVATE OVERALL |
| Internal Drive Style | SLOTSLOT |
| Countersink Angle | 8.0 DEGREES NOMINAL8.0 DEGREES NOMINAL |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.190 INCHES NOMINAL0.190 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 |
|---|---|
| 10115360 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2783137-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-134-0187 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-134-0187: Head Height: 0.280 INCHES NOMINAL0.280 INCHES NOMINAL IN; Fastener Length: 0.720 INCHES NOMINAL0.720 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13001 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALLPS13001 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.270 INCHES NOMINAL0.270 INCHES NOMINAL IN. 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.