The Screw,shoulder, cataloged under National Stock Number 5305-01-045-3017, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-045-3017 |
| Primary Part Number | HT4016-3-12Y |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Fastener Length | 1.066 INCHES MINIMUM AND 1.096 INCHES MAXIMUM IN |
| Shoulder Length | 0.690 INCHES MINIMUM AND 0.718 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | OVAL COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.327 INCHES MINIMUM AND 0.332 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 |
|---|---|
| 11919-3-12-1 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M506-3-12-1 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M506-3-12-1 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4016-3-12Y PRIMARY | Hi-Shear Corporation (USA) |
| ST3M506-3-12-1 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HT4016-3-12Y | 5/2 Secondary reference U.S. Government activity |
| HT4016-3-12Y | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| ST3M506-3-12-1 | 5/2 Secondary reference U.S. Government activity |
| HT4016-3-12Y | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HT4016-3-12Y | 5/9 Secondary reference U.S. Government activity |
| HT4016-3-12Y | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-045-3017 is a Screw,shoulder, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-045-3017 has 5 manufacturer part numbers on file: 11919-3-12-1 (Reid Products Inc. Dba Reid Products Inc), ST3M506-3-12-1 (Sps Technologies Ltd, Tj Brooks Division), ST3M506-3-12-1 (Fastener Innovation Technology, Inc. Dba F I T), HT4016-3-12Y (Hi-Shear Corporation), ST3M506-3-12-1 (The Boeing Company Div Defense).
Key specifications for HT4016-3-12Y: Fastener Length: 1.066 INCHES MINIMUM AND 1.096 INCHES MAXIMUM IN; Shoulder Length: 0.690 INCHES MINIMUM AND 0.718 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Diameter: 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN. 18 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.