3M1277E5D4A

View detailed technical data, stock status, and sourcing information for: 3M1277E5D4A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-628-5475

Item Name Code

27851

Assigment Date

05/30/2014 (12 years ago)

A grouping of two or more different types of electrical/electronic components mounted on a common mounting. It may include an assembly of electrical/electronic components mounted on multiple printed wiring board(s) mounted back to back, stacked, and the like. The item is generally a component of a subassembly and cannot be assigned a more definite item name. Excludes:items which may be identified as a subassembly. For an assembly of electrical/electronic components mounted on a single printed wiring board, see circuit card asseembly. Do not use if a more specific name applies.

3a thread class, 0.469 inches nominal thread length, right-hand thread direction, 0.704 inches minimum and 0.734 inches maximum fastener length, flat countersunk 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: 0.469 inches nominal
Fastener Length: 0.704 inches minimum and 0.734 inches maximum
Head Style: flat countersunk
Head Diameter: 0.4645 inches minimum and 0.4739 inches maximum
Head Height: 0.065 inches nominal
Hole Diameter: 0.076 inches minimum and 0.086 inches maximum
Grip Diameter: 0.3271 inches minimum and 0.3276 inches maximum
Internal Drive Style: torx
End Item Identification: f18 e/f
Nominal Thread Diameter: 0.3125 inches
Grip Length: 0.250 inches nominal
Hole Quantity: 1
Hole Type: drilled
Features Provided: cetyl alcohol lubricant
Nonstandard Thread Pitch Diameter: +0.2827 to 0.2854 inches
Thread Quantity Per Inch: 24
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Criticality Code Justification: agav
Part Name Assigned By Controlling Agency: bolt, 100 degree reduced head, gear drive recess, inconel 718 (125 ksi shear), 0.0156 inch oversize
Material: nickel alloy 718 overall
Surface Treatment: passivate 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
11861E5D4A	Close Tolerance Bolt
3M1277E5D4A	Close Tolerance Bolt
TX1027E5D4A	Close Tolerance Bolt
WC1277E5D4A	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-628-5475?

The FSCG of the NSN 5306-01-628-5475 is 5306

Does the NSN 5306-01-628-5475 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-628-5475 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 5306-01-628-5475 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-628-5475 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 5306-01-628-5475 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Fri, May 30, 2014