The Setscrew, cataloged under National Stock Number 5305-01-348-0787, 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 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-348-0787 |
| Primary Part Number | 400-5489358 ITEM 6 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Point Diameter | 2.058 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Width Across Flats | 1.880 INCHES NOMINAL IN |
| Point Length | 2.750 INCHES NOMINAL IN |
| Fastener Length | 5.000 INCHES NOMINAL IN |
| Thread Length | 1.870 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286 CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 2.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UN |
| 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 |
|---|---|
| 400-5489358 ITEM 6 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5489358-6 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 6640217-6 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| B8830206 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
NSN 5305-01-348-0787 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-348-0787 has 1 manufacturer part number on file: 400-5489358 ITEM 6 (Naval Sea Systems Command).
Key specifications for 400-5489358 ITEM 6: Point Diameter: 2.058 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN; Width Across Flats: 1.880 INCHES NOMINAL IN; Point Length: 2.750 INCHES NOMINAL IN; Fastener Length: 5.000 INCHES NOMINAL IN. 15 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.