The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-043-5703, 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. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-043-5703 |
| Primary Part Number | GB511N3-3 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Surface Finish | 63.0 MICROINCHES THREADS |
| Width Across Flats | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Head Height | 0.190 INCHES NOMINAL IN |
| Fastener Length | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Thread Length | 0.413 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511N PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.318 INCHES MINIMUM AND 0.328 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 |
|---|---|
| GB511N3-3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| GB511N3-3 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| H1T1203V3 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| HIT1203V3 | 3/2 Design control — primary reference U.S. Government activity |
| HIT1203V3 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-01-043-5703 is a Bolt,internal Wrenching, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-043-5703 has 1 manufacturer part number on file: GB511N3-3 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for GB511N3-3: Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Surface Finish: 63.0 MICROINCHES THREADS; Width Across Flats: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN; Head Height: 0.190 INCHES NOMINAL IN. 16 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.