The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-349-5135, 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 19 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-349-5135 |
| Primary Part Number | PBF1420-8-16A |
| 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 THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Fastener Length | 1.634 INCHES MINIMUM AND 1.664 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488 TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.649 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.772 INCHES MINIMUM IN |
| Grip Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| VS3319-8-16A | Howmet Global Fastening Systems Inc (USA) |
| PBF1420-8-16A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 03A098-8-16A | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| VCJ0001-8-16A PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| SII1188-8-16A | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 03A098-8-16A PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| AIC1653-8-16A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| MB209AP-8-16 | 5/9 Secondary reference Hi-Shear Corporation |
| X409-8-16A | 5/9 Secondary reference Huck International, Inc |
| VS3319-8-16A | 5/9 Secondary reference U.S. Government activity |
| 03A098-8-16A | 7/2 Vendor item drawing reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| 123709-8-16A | 5/9 Secondary reference U.S. Government activity |
| MB209AP-8-16 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| X409-8-16A | 5/9 Secondary reference U.S. Government activity |
| DF33003-8-16A | 5/9 Secondary reference U.S. Government activity |
| 123709-8-16A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| DF33003-8-16A | 5/9 Secondary reference Huck International, Inc |
NSN 5306-01-349-5135 is a Bolt,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-349-5135 has 7 manufacturer part numbers on file: VS3319-8-16A (Howmet Global Fastening Systems Inc), PBF1420-8-16A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 03A098-8-16A (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), VCJ0001-8-16A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), SII1188-8-16A (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 2 more.
Key specifications for PBF1420-8-16A: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN; Fastener Length: 1.634 INCHES MINIMUM AND 1.664 INCHES MAXIMUM 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.