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5306-01-645-0191

Find complete technical information, availability, and procurement data for: 5306-01-645-0191

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5306-01-645-0191
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-01-645-0191
Item Name Code
27851
Assigment Date
06/01/2015 (11 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

right-hand thread direction, crowned hexagon head style, 3a thread class, 1.928 inches nominal fastener length, 0.412 inches maximum thread length

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
0.412 inches maximum
Fastener Length
1.928 inches nominal
Head Style
crowned hexagon
Head Height
0.126 inches minimum and 0.141 inches maximum
Width Between Flats
0.430 inches minimum and 0.439 inches maximum
Grip Diameter
0.248 inches minimum and 0.249 inches maximum
End Item Identification
misc. list
Nominal Thread Diameter
0.250 inches
Grip Length
1.500 inches minimum and 1.516 inches maximum
Thread Quantity Per Inch
28
Part Name Assigned By Controlling Agency
bolt, self-retaining, impedance type
Special Features
item has ring type impedance device
Material
steel comp 630 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
MS27576C4-24R Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-645-0191?
The FSCG of the NSN 5306-01-645-0191 is 5306
Does the NSN 5306-01-645-0191 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-645-0191 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 5306-01-645-0191 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-645-0191 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 5306-01-645-0191 was assigned to the Federal Catalog?
It was assigned 11 years ago, on Mon, Jun 1, 2015

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 125
Total 125
Availability of this item was last updated on: 01/04/2026 12:01 PM EST. Stock levels and pricing are subject to change.

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