The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-474-3219, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-474-3219 |
| Primary Part Number | 705-SS-20 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc |
| Status | ACTIVE |
| Point Diameter | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Head Height | 0.250 INCHES NOMINAL IN |
| Point Length | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 0.844 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN |
| Thread Length | 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Material Document and Classification | ASTMA-A-581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMA-A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 55.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM |
| First Diameter From Head | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | KNURLED NO. 2 |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.469 INCHES MINIMUM AND 0.781 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 |
| Part Number | Manufacturer |
|---|---|
| 705-SS-20 PRIMARY | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| Reference | Meaning |
|---|---|
| SM-A-744408-59 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-474-3219 is a Screw,externally Relieved Body, manufactured by Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-474-3219 has 1 manufacturer part number on file: 705-SS-20 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc).
Key specifications for 705-SS-20: Point Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Head Height: 0.250 INCHES NOMINAL IN; Point Length: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 0.844 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN. 21 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.