The Screw,shoulder, cataloged under National Stock Number 5305-01-620-5039, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-620-5039 |
| Primary Part Number | Y00471-D900 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Width Across Flats | 0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN |
| Head Height | 0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Fastener Length | 1.6885 INCHES NOMINAL IN |
| Shoulder Length | 1.5000 INCHES MINIMUM AND 1.5025 INCHES MAXIMUM ALL SHOULDERS IN |
| Surface Treatment Document and Classification | ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.1860 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM ALL SHOULDERS IN |
| Thread Length | 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Material Document and Classification | ASTM A484,ASTM A582 OR ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM 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 |
|---|---|
| Y00471-D900 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 411200-44 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-620-5039 is a Screw,shoulder, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-620-5039 has 1 manufacturer part number on file: Y00471-D900 (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for Y00471-D900: Width Across Flats: 0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN; Head Height: 0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN; Fastener Length: 1.6885 INCHES NOMINAL IN; Shoulder Length: 1.5000 INCHES MINIMUM AND 1.5025 INCHES MAXIMUM ALL SHOULDERS IN. 19 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.