The Screw,shoulder, cataloged under National Stock Number 5305-01-141-7917, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-141-7917 |
| Primary Part Number | HT4010-5-2 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Fastener Length | 0.576 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN |
| Shoulder Length | 0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.441 INCHES MINIMUM AND 0.498 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 |
| 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 0.477 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 |
|---|---|
| HT4010-5-2 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 11911-5-2 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M495-5-2 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4010-5-2 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT4010-5-2 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| HT4010-5-2 | 5/9 Secondary reference U.S. Government activity |
| HT4010-5-2 | 3/2 Design control — primary reference U.S. Government activity |
| HT4010-5-2 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| ST3M495-5-2 | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
| HT4010-5-2 | 5/9 Secondary reference U.S. Government activity |
| ST3M495-5-2 | 5/2 Secondary reference U.S. Government activity |
| HT4010-5-2 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5305-01-141-7917 is a Screw,shoulder, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-141-7917 has 4 manufacturer part numbers on file: HT4010-5-2 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 11911-5-2 (Reid Products Inc. Dba Reid Products Inc), ST3M495-5-2 (The Boeing Company Div Defense), HT4010-5-2 (Hi-Shear Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-313-8803. Verify interchangeability with system specifications before substitution.
Key specifications for HT4010-5-2: Fastener Length: 0.576 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN; Shoulder Length: 0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM FIRST SHOULDER IN; Thread Length: 0.441 INCHES MINIMUM AND 0.498 INCHES MAXIMUM 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.