The Screw,shoulder, cataloged under National Stock Number 5305-01-209-9364, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-209-9364 |
| Primary Part Number | ST3M496-6-22 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Fastener Length | 1.876 INCHES MINIMUM AND 1.906 INCHES MAXIMUM IN |
| Shoulder Length | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.338 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| 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 | 0.752 INCHES MINIMUM AND 0.762 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 |
|---|---|
| ST3M496-6-22 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4008-6-22 | Howmet Global Fastening Systems Inc (USA) |
| 11913-6-22 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4008-6-22 | Huck International, Inc (USA) |
| HT4008-6-22 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| WC4008-6-22 | West Coast Aerospace, Inc. (USA) |
| HT4008-6-22 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4008-6-22 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| ST3M496-6-22 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4008-6-22 | 5/9 Secondary reference U.S. Government activity |
| HT4008-6-22 | 3/2 Design control — primary reference U.S. Government activity |
| HT4008-6-22 | 5/2 Secondary reference U.S. Government activity |
| SP 1/4 CP | C/1 Advisory reference — outside the item-of-supply concept Wieland Inc |
NSN 5305-01-209-9364 is a Screw,shoulder, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-209-9364 has 8 manufacturer part numbers on file: ST3M496-6-22 (Fastener Innovation Technology, Inc. Dba F I T), HT4008-6-22 (Howmet Global Fastening Systems Inc), 11913-6-22 (Reid Products Inc. Dba Reid Products Inc), HT4008-6-22 (Huck International, Inc), HT4008-6-22 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 3 more.
Key specifications for ST3M496-6-22: Fastener Length: 1.876 INCHES MINIMUM AND 1.906 INCHES MAXIMUM IN; Shoulder Length: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Diameter: 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM FIRST SHOULDER 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.