The Screw,shoulder, cataloged under National Stock Number 5305-00-901-2345, 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 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-901-2345 |
| Primary Part Number | A11226 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Head Height | 0.098 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Shoulder Length | 0.015 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.213 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.250 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.265 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 |
|---|---|
| A11226 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5305-00-901-2345 is a Screw,shoulder, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-901-2345 has 1 manufacturer part number on file: A11226 (Naval Inventory Control Point Mechanicsburg).
Key specifications for A11226: Head Height: 0.098 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Shoulder Length: 0.015 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.213 INCHES NOMINAL FIRST SHOULDER IN. 16 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.