The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-435-1090, 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 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-435-1090 |
| Primary Part Number | 2042AS464-13 |
| 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 |
| Head Height | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Fastener Length | 2.475 INCHES MINIMUM AND 2.525 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-F-14072,ELE300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Material Document and Classification | ASTMA581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 2042AS464-13 PRIMARY | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2042AS464-13 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 2042AS464-13 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 2042AS464-13 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Simulation Training & Support |
NSN 5305-01-435-1090 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 5305-01-435-1090 has 1 manufacturer part number on file: 2042AS464-13 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc).
Key specifications for 2042AS464-13: Head Height: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Fastener Length: 2.475 INCHES MINIMUM AND 2.525 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-14072,ELE300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.485 INCHES MINIMUM AND 0.515 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.