The Bolt,shear, cataloged under National Stock Number 5306-01-219-5937, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-219-5937 |
| Primary Part Number | VS3133L6-25 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.210 INCHES NOMINAL IN |
| Fastener Length | 2.117 INCHES MINIMUM AND 2.147 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.545 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN |
| Material Document and Classification | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.578 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Grip Diameter | 0.3733 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| C7521L6-25 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VS3133L6-25 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| AIC596L6-25 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VCG00009L6-25 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| H411L6-25 PRIMARY | Huck International, Inc (USA) |
| VCG0009L6-25 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF7521L6-25 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| H411L6-25 | 5/9 Secondary reference U.S. Government activity |
| 12097L6-25 | 3/2 Design control — primary reference U.S. Government activity |
| VS3133L6-25 | 5/9 Secondary reference U.S. Government activity |
| C7521L6-25 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-219-5937 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-219-5937 has 7 manufacturer part numbers on file: C7521L6-25 (Sps Technologies, Llc Dba PB Fasteners), VS3133L6-25 (Howmet Global Fastening Systems Inc), AIC596L6-25 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VCG00009L6-25 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), H411L6-25 (Huck International, Inc) and 2 more.
Key specifications for VS3133L6-25: Head Height: 0.210 INCHES NOMINAL IN; Fastener Length: 2.117 INCHES MINIMUM AND 2.147 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.545 INCHES MINIMUM AND 0.595 INCHES MAXIMUM 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.