The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-730-4804, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-730-4804 |
| Primary Part Number | 1851093PC1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR QQ-W-423 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| First Diameter From Head | 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.875 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 |
| Part Number | Manufacturer |
|---|---|
| 3111-1035P1 | Raytheon Company (USA) |
| 1851093PC1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 3111-1035P1 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 3111-1035P1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 1851093PC1REVA | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5305-00-730-4804 is a Screw,externally Relieved Body, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-730-4804 has 3 manufacturer part numbers on file: 3111-1035P1 (Raytheon Company), 1851093PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3111-1035P1 (Raytheon Company Dba Raytheon Co).
Key specifications for 1851093PC1: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 2.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.375 INCHES MINIMUM IN. 17 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.