123181E4R10

View detailed technical data, stock status, and sourcing information for: 123181E4R10
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-356-5149

Item Name Code

06657

Assigment Date

04/05/1992 (34 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

3a thread class, right-hand thread direction, 1.035 inches minimum and 1.065 inches maximum fastener length, fillister countersunk head style, 0.425 inches nominal 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: 0.425 inches nominal
Fastener Length: 1.035 inches minimum and 1.065 inches maximum
Head Style: fillister countersunk
Head Diameter: 0.461 inches minimum and 0.507 inches maximum
Head Height: 0.018 inches maximum
Internal Drive Style: torque-set ribbed
End Item Identification: b-1b bomber
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 100.0 degrees nominal
Screw Material: iron alloy 660
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
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
123181E4R10	Machine Screw
E033-2410	Machine Screw
HR132E4R10	Machine Screw
LE111-0033-2410	Machine Screw
PBF1379-2410	Machine Screw
SC1785RE4-10	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-356-5149?

The FSCG of the NSN 5305-01-356-5149 is 5305

Does the NSN 5305-01-356-5149 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-356-5149 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 5305-01-356-5149 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-356-5149 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 5305-01-356-5149 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sun, Apr 5, 1992