The Screw,shoulder, cataloged under National Stock Number 5305-01-046-3341, 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 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-046-3341 |
| Primary Part Number | HT4010-5-5 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Fastener Length | 0.764 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN |
| Shoulder Length | 0.272 INCHES MINIMUM AND 0.296 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.327 INCHES MINIMUM AND 0.328 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.442 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT 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 | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.429 INCHES MINIMUM AND 0.472 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 |
|---|---|
| HT4010-5-5 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M495-5-5 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M495-5-5 | Houston Precision Fasteners I Lp (USA) |
| ST3M495-5-5 | Heartland Precision Fasteners Inc (USA) |
| ST3M495-5-5 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HT4010-5-5 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| WC4010-5-5 | West Coast Aerospace, Inc. (USA) |
| HT4010-5-5 PRIMARY | Hi-Shear Corporation (USA) |
| HT4010-5-5 | Huck International, Inc (USA) |
| ST3M495-5-5 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 11911-5-5 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4010-5-5 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4010-5-5 | 5/9 Secondary reference U.S. Government activity |
| ST3M495-5-5 | 5/9 Secondary reference U.S. Government activity |
| HT4010-5-5 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4010-5-5 | 5/2 Secondary reference U.S. Government activity |
| 10198372 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST3M495-5-5 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M495-5-5 | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
| HT4010-5-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-046-3341 is a Screw,shoulder, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-046-3341 has 12 manufacturer part numbers on file: HT4010-5-5 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M495-5-5 (Fastener Innovation Technology, Inc. Dba F I T), ST3M495-5-5 (Houston Precision Fasteners I Lp), ST3M495-5-5 (Heartland Precision Fasteners Inc), ST3M495-5-5 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 7 more.
Key specifications for HT4010-5-5: Fastener Length: 0.764 INCHES MINIMUM AND 0.794 INCHES MAXIMUM IN; Shoulder Length: 0.272 INCHES MINIMUM AND 0.296 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Diameter: 0.327 INCHES MINIMUM AND 0.328 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.