122896-4-9

View detailed technical data, stock status, and sourcing information for: 122896-4-9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-254-8286

Item Name Code

27851

Assigment Date

05/11/1987 (39 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

spline drive shear head head style, 0.371 inches minimum and 0.438 inches maximum thread length, right-hand thread direction, 0.943 inches minimum and 0.990 inches maximum fastener length, 3a thread class

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: 0.371 inches minimum and 0.438 inches maximum
Fastener Length: 0.943 inches minimum and 0.990 inches maximum
Head Style: spline drive shear head
Head Height: 0.164 inches minimum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Head Minor Diameter: 0.448 inches minimum and 0.455 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Features Provided: finished head
Thread Quantity Per Inch: 28
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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:

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122896-4-9	Close Tolerance Bolt
AIC688-4-9	Close Tolerance Bolt
GS1031-4-9	Close Tolerance Bolt
HP7747-4-9	Close Tolerance Bolt
MB155-4-9	Close Tolerance Bolt
PBF1266-4-9	Close Tolerance Bolt
S397-4-9	Close Tolerance Bolt
SLB254-4-9	Close Tolerance Bolt
ST3M747-4-9	Close Tolerance Bolt
VCG0002-4-9	Close Tolerance Bolt
VS3191-4-9	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-254-8286?

The FSCG of the NSN 5306-01-254-8286 is 5306

Does the NSN 5306-01-254-8286 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-254-8286 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 5306-01-254-8286 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-254-8286 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 5306-01-254-8286 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, May 11, 1987