The Screw,shoulder, cataloged under National Stock Number 5305-01-287-3496, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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. 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 | 5305-01-287-3496 |
| Primary Part Number | 109063 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Head Height | 0.100 INCHES NOMINAL IN |
| Fastener Length | 0.179 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| Shoulder Length | 0.054 INCHES MINIMUM AND 0.057 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.151 INCHES MINIMUM AND 0.153 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.109 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 1018 OR STEEL COMP 12L14 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.218 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 |
|---|---|
| 109063 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5305-01-287-3496 is a Screw,shoulder, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-287-3496 has 1 manufacturer part number on file: 109063 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 6640-01-338-6090. Verify interchangeability with system specifications before substitution.
Key specifications for 109063: Head Height: 0.100 INCHES NOMINAL IN; Fastener Length: 0.179 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN; Shoulder Length: 0.054 INCHES MINIMUM AND 0.057 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.151 INCHES MINIMUM AND 0.153 INCHES MAXIMUM FIRST SHOULDER 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.