The Setscrew, cataloged under National Stock Number 5305-01-341-6712, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-341-6712 |
| Primary Part Number | 522 5489360 REV-ITEM 17 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES NOMINAL IN |
| Fastener Length | 0.440 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | 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 |
| Part Number | Manufacturer |
|---|---|
| 6640219-17 | Naval Sea Systems Command (USA) |
| 522 5489360 REV-ITEM 17 PRIMARY | Naval Sea Systems Command (USA) |
| 5489360-17 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5489360 FIND 17 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| M8830030 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 6640219 FIND 17 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5305-01-341-6712 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-341-6712 has 3 manufacturer part numbers on file: 6640219-17 (Naval Sea Systems Command), 522 5489360 REV-ITEM 17 (Naval Sea Systems Command), 5489360-17 (Naval Sea Systems Command).
Key specifications for 522 5489360 REV-ITEM 17: Width Across Flats: 0.094 INCHES NOMINAL IN; Fastener Length: 0.440 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.190 INCHES IN. 12 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.