PBF1421-4-12P

View detailed technical data, stock status, and sourcing information for: PBF1421-4-12P
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-335-9275

Item Name Code

15903

Assigment Date

03/15/1991 (35 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, 0.421 inches minimum and 0.471 inches maximum thread length, 1.181 inches minimum and 1.211 inches maximum fastener length, 3a thread class, spline extended washer head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.421 inches minimum and 0.471 inches maximum
Fastener Length: 1.181 inches minimum and 1.211 inches maximum
Head Style: spline extended washer
Head Height: 0.240 inches minimum and 0.260 inches maximum
Extended Washer Diameter: 0.460 inches minimum and 0.470 inches maximum
Extended Washer Thickness: 0.026 inches minimum and 0.046 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Head Minor Diameter: 0.318 inches minimum and 0.324 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.740 inches minimum and 0.760 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 220000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: nickel alloy 718 overall
Material Document And Classification: ams 5662 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Thread Series Designator: unjf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
03A099-4-12P	Shear Bolt
123710-4-12P	Shear Bolt
AIC1654-4-12P	Shear Bolt
DF33004-4-12P	Shear Bolt
MB210-4-12P	Shear Bolt
PBF1421-4-12P	Shear Bolt
SII1182-4-12P	Shear Bolt
SLB187-4-12P	Shear Bolt
VCG0016-4-12P	Shear Bolt
VS3318-4-12P	Shear Bolt
X384-4-12P	Shear Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-01-335-9275?

The FSCG of the NSN 5306-01-335-9275 is 5306

Does the NSN 5306-01-335-9275 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-335-9275 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5306-01-335-9275 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-335-9275 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5306-01-335-9275 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Mar 15, 1991