The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-480-4981, 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 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-480-4981 |
| Primary Part Number | PBF1427D22-75 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES FASTENER |
| Head Height | 0.750 INCHES NOMINAL IN |
| Fastener Length | 5.808 INCHES MINIMUM AND 5.838 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.135 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.375 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.688 INCHES NOMINAL IN |
| Head Minor Diameter | 2.367 INCHES MINIMUM AND 2.381 INCHES MAXIMUM IN |
| Grip Diameter | 1.373 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 145000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | COBALT COMP MP-35-N OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 5.543 INCHES MINIMUM AND 5.563 INCHES MAXIMUM FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| PBF1427D22-75 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M1059-22D75 PRIMARY | The Boeing Company Div Defense (USA) |
| 93955-22-75D PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5306-01-480-4981 is a Bolt,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-480-4981 has 3 manufacturer part numbers on file: PBF1427D22-75 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3M1059-22D75 (The Boeing Company Div Defense), 93955-22-75D (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for PBF1427D22-75: Surface Finish: 32.0 MICROINCHES FASTENER; Head Height: 0.750 INCHES NOMINAL IN; Fastener Length: 5.808 INCHES MINIMUM AND 5.838 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 21 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.