The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-208-5236, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-208-5236 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 1.502 INCHES NOMINAL IN |
| Head Height | 1.880 INCHES NOMINAL IN |
| Fastener Length | 5.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-23422 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 3.250 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Hole Configuration Style | ROUND INTERNAL HEXAGON |
| Material Document and Classification | ASTM A193,GRADE B8R ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.875 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CHROMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 6 |
| Thread Series Designator | UN |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Head Diameter | 2.750 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 | C |
| Reference | Meaning |
|---|---|
| 1523E63-3 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-208-5236 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-208-5236: Width Across Flats: 1.502 INCHES NOMINAL IN; Head Height: 1.880 INCHES NOMINAL IN; Fastener Length: 5.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-23422 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 22 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.