The Bolt,machine, cataloged under National Stock Number 5306-01-196-3855, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-196-3855 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM0.243 INCHES MAXIMUM IN |
| Fastener Length | 4.656 INCHES MINIMUM AND 4.656 INCHES MINIMUM AND 4.750 INCHES MAXIMUM4.750 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 TY W SC 3 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 1.000 INCHES MINIMUM1.000 INCHES MINIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER38.0 ROCKWELL C MAXIMUM FASTENER |
| Material Document and Classification | SAE J429,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354,GRADE BD ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.375 INCHES0.375 INCHES IN |
| Features Provided | FINISHED HEADFINISHED HEAD |
| Head Style | HEXAGONHEXAGON |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM0.563 INCHES MAXIMUM IN |
| Locking Feature | PATCH THREADSPATCH THREADS |
| Surface Treatment | ZINC AND CHROMATE FASTENER |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 1616 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | STEEL FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B1821BH038C475L | 3/2 Design control — primary reference U.S. Government activity |
| MS90728-77L | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-196-3855 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-196-3855: Head Height: 0.226 INCHES MINIMUM AND 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM0.243 INCHES MAXIMUM IN; Fastener Length: 4.656 INCHES MINIMUM AND 4.656 INCHES MINIMUM AND 4.750 INCHES MAXIMUM4.750 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633 TY W SC 3 ASSN STD SINGLE TREATMENT RESPONSE FASTENER; Thread Length: 1.000 INCHES MINIMUM1.000 INCHES MINIMUM 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.