The Bolt,shear, cataloged under National Stock Number 5306-01-309-6512, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 18 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-309-6512 |
| Primary Part Number | BACB30SX20-45 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 0.8 MICROMETERS GRIP |
| Head Height | 13.19 MILLIMETERS MINIMUM AND 13.63 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 4H |
| Fastener Length | 78.75 MILLIMETERS MINIMUM AND 79.25 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 33.50 MILLIMETERS MINIMUM AND 34.50 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 20.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 44.75 MILLIMETERS MINIMUM AND 45.25 MILLIMETERS MAXIMUM MM |
| Width Between Flats | 29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM |
| Grip Diameter | 19.979 MILLIMETERS MINIMUM AND 20.000 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 1100 MEGAPASCALS |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| BACB30SX20-45 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 74597-M2015-45 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30SX20-45 | Federal Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 74597-M2015-45 | 5/2 Secondary reference U.S. Government activity |
| VS 3078-20-45 | 5/2 Secondary reference U.S. Government activity |
| BACB30SX20-45 | 5/9 Secondary reference U.S. Government activity |
| BACB30SX20-45 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3078-20-45 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| BACB30SX20-45 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-309-6512 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-309-6512 has 3 manufacturer part numbers on file: BACB30SX20-45 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 74597-M2015-45 (Sps Technologies, Llc Dba PB Fasteners), BACB30SX20-45 (Federal Manufacturing Corp).
Key specifications for BACB30SX20-45: Surface Finish: 0.8 MICROMETERS GRIP; Head Height: 13.19 MILLIMETERS MINIMUM AND 13.63 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 4H; Fastener Length: 78.75 MILLIMETERS MINIMUM AND 79.25 MILLIMETERS MAXIMUM MM. 18 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.