The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-482-7937, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-482-7937 |
| Primary Part Number | ST3M753-4DH16 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.375 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| VS3190-4DG16 | Howmet Global Fastening Systems Inc (USA) |
| 11829-4DH16 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M753-4DH16 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| S343-4DH16 | 5/9 Secondary reference U.S. Government activity |
| AIC763-4DH16 | 7/2 Vendor item drawing reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| VS3190-4DH16 | 5/9 Secondary reference U.S. Government activity |
| S343-4DH16 | 7/2 Vendor item drawing reference Huck International, Inc |
| 122897-4DH16 | 7/2 Vendor item drawing reference U.S. Government activity |
| MB156-4DH16 | 7/2 Vendor item drawing reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| MB156-4DH16 | 7/2 Vendor item drawing reference Hi-Shear Corporation |
| PBF1267-4DH16 | 7/2 Vendor item drawing reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| VFK600-4DH16 | 7/2 Vendor item drawing reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
NSN 5306-01-482-7937 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-482-7937 has 3 manufacturer part numbers on file: VS3190-4DG16 (Howmet Global Fastening Systems Inc), 11829-4DH16 (Reid Products Inc. Dba Reid Products Inc), ST3M753-4DH16 (The Boeing Company Div Defense).
Key specifications for ST3M753-4DH16: Nominal Thread Diameter: 0.250 INCHES IN; Head Style: SPLINE EXTENDED WASHER; Thread Direction: RIGHT-HAND; Grip Length: 0.375 INCHES NOMINAL IN. 8 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.