The Screw,shoulder, cataloged under National Stock Number 5305-01-447-6617, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-447-6617 |
| Primary Part Number | 701-5941244 P/N 64 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Head Height | 0.875 INCHES NOMINAL IN |
| Fastener Length | 3.125 INCHES NOMINAL IN |
| Shoulder Length | 1.766 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.622 INCHES MINIMUM AND 1.623 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.109 INCHES MINIMUM AND 1.359 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A193, TYPE B16 OR TYPE B7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.375 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 115000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 6 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 2.625 INCHES NOMINAL 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 |
|---|---|
| 7015941245 P/N 44 | Naval Sea Systems Command (USA) |
| 701-5941244 P/N 64 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 701-4323731 SH20 P/N 28 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5305-01-447-6617 is a Screw,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-447-6617 has 2 manufacturer part numbers on file: 7015941245 P/N 44 (Naval Sea Systems Command), 701-5941244 P/N 64 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-450-6197. Verify interchangeability with system specifications before substitution.
Key specifications for 701-5941244 P/N 64: Width Across Flats: 0.500 INCHES NOMINAL IN; Head Height: 0.875 INCHES NOMINAL IN; Fastener Length: 3.125 INCHES NOMINAL IN; Shoulder Length: 1.766 INCHES NOMINAL FIRST SHOULDER 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.