The Screw,shoulder, cataloged under National Stock Number 5305-00-441-0672, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-441-0672 |
| Primary Part Number | 544-7433-002 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Head Height | 0.038 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| Fastener Length | 0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN |
| Shoulder Length | 0.173 INCHES MINIMUM AND 0.182 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.1130 INCHES MINIMUM AND 0.1230 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.205 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Countersink Angle | 81.0 DEGREES MINIMUM AND 83.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.209 INCHES MINIMUM AND 0.225 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 |
|---|---|
| 544-7433-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 119310 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 544-7433-002 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-00-441-0672 is a Screw,shoulder, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-441-0672 has 1 manufacturer part number on file: 544-7433-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
1 possible match (shared part number, not a government interchangeability claim): 5136-00-825-7102. Verify interchangeability with system specifications before substitution.
Key specifications for 544-7433-002: Head Height: 0.038 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN; Fastener Length: 0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN; Shoulder Length: 0.173 INCHES MINIMUM AND 0.182 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.1130 INCHES MINIMUM AND 0.1230 INCHES MAXIMUM FIRST SHOULDER IN. 17 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.