The Screw,shoulder, cataloged under National Stock Number 5305-01-256-6877, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-256-6877 |
| Primary Part Number | 10274247-1 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Height | 0.062 INCHES NOMINAL IN |
| Fastener Length | 0.626 INCHES NOMINAL IN |
| Shoulder Length | 0.190 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.374 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.312 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 |
|---|---|
| 10274247-1 PRIMARY | Us Army Aviation and Missile Command (USA) |
| A-7Y-5-CF5 | Designatronics Inc Stock Drive Products Div (USA) |
| Reference | Meaning |
|---|---|
| 7Y5-CF5 | 5/9 Secondary reference Designatronics Inc Stock Drive Products Div |
| 7Y5-CF54 | 5/9 Secondary reference Designatronics Inc Stock Drive Products Div |
NSN 5305-01-256-6877 is a Screw,shoulder, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-256-6877 has 2 manufacturer part numbers on file: 10274247-1 (Us Army Aviation and Missile Command), A-7Y-5-CF5 (Designatronics Inc Stock Drive Products Div).
Key specifications for 10274247-1: Head Height: 0.062 INCHES NOMINAL IN; Fastener Length: 0.626 INCHES NOMINAL IN; Shoulder Length: 0.190 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM 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.