The Setscrew, cataloged under National Stock Number 5305-00-263-5098, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 50 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-263-5098 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Length | 0.375 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | OVAL |
| Nondefinitive Spec/std Data | 2 TYPE AND 3 STYLE |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 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 |
| Reference | Meaning |
|---|---|
| 278460PC23 | 3/2 Design control — primary reference U.S. Government activity |
| S4700H3116772PC18-1 | 3/2 Design control — primary reference U.S. Government activity |
| SL8146PC2-3 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| SL5012-28 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| SL7962-3-3 | 5/9 Secondary reference U.S. Government activity |
| DD445S4601-278ALT2PC33 | 5/2 Secondary reference U.S. Government activity |
| S4700H3116772PC3-3 | 3/2 Design control — primary reference U.S. Government activity |
| S4700H3137236REVBPC37-1 | 3/2 Design control — primary reference U.S. Government activity |
| SL5072PC33 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| GCP-766-15 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| SL7962-18-1 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| SL5074PC33 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| SL7962-2-3 | 5/9 Secondary reference U.S. Government activity |
| SL6515PC47 | 5/9 Secondary reference U.S. Government activity |
| SL5072PC33 | 5/9 Secondary reference U.S. Government activity |
| SL6517PC47 | 5/9 Secondary reference U.S. Government activity |
| SL8162PC3-3 | 5/9 Secondary reference U.S. Government activity |
| SL7962-17-1 | 5/9 Secondary reference U.S. Government activity |
| SL4139PC14 | 5/9 Secondary reference U.S. Government activity |
| CL119S4700-261365PC24 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-00-263-5098 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-263-5098: Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Length: 0.375 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL; Nominal Thread Diameter: 0.250 INCHES IN. 13 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.