The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-534-4518, 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 2 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-534-4518 |
| Primary Part Number | PBF1266-5H15 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Head Style | SPLINE EXTENDED WASHER |
| 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 |
|---|---|
| PBF1266-5H15 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HP7747-5H15 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| S397-5H15 PRIMARY | Huck International, Inc (USA) |
| ST3M747-5H15 PRIMARY | The Boeing Company Div Defense (USA) |
| VCG0002-5H15 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GS1031-5H15 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| SLB254-5H15 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| ST3M747-5H15 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| MB155-5H15 PRIMARY | Hi-Shear Corporation (USA) |
| 122896-5H15 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC688-5H15 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M747-5H15 | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| 122896-5H15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-534-4518 is a Bolt,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-534-4518 has 12 manufacturer part numbers on file: PBF1266-5H15 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), HP7747-5H15 (Heartland Precision Fasteners Inc), S397-5H15 (Huck International, Inc), ST3M747-5H15 (The Boeing Company Div Defense), VCG0002-5H15 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 7 more.
Key specifications for PBF1266-5H15: Criticality Code Justification: AGAV; Head Style: SPLINE EXTENDED WASHER; Special Features: DRILLED HEAD. UNJF-3A THREAD PER MIL-S-8879. HEAD MARKINGS PER NAS1347, TYPE IV. A; Part Name Assigned by Controlling Agency: BOLT,CLOSE TOLERANCE, SPLINE DRIVE, CRES (125 KSI FSU). 2 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.