The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-356-4309, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-356-4309 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Fastener Length | 1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Material Document and Classification | SAEJGGAISI ASSN STD ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| First Diameter From Head | 0.123 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.218 INCHES MINIMUM AND 1.282 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | DICHROMATE ZINC OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1212 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.382 INCHES MINIMUM AND 0.408 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 |
|---|---|
| SCB62664-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-356-4309 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-356-4309: Head Height: 0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN; Fastener Length: 1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-Z-325,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM 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.