7R49

View detailed technical data, stock status, and sourcing information for: 7R49
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-169-0759

Item Name Code

22846

Assigment Date

01/08/1971 (55 years ago)

A headed, cylindrically-shaped item having a solid shank for fitting into corresponding holes, used for aligning or fastening. It may have welding projections. It also may contain holes drilled perpendicular to axial centerline. Excludes:pin, eccentric.

2a thread class, 0.360 inches nominal thread length, 1.500 inches nominal fastener length, flat chamfer head style, right-hand thread direction

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.360 inches nominal
Fastener Length: 1.500 inches nominal
Head Style: flat chamfer
Head Diameter: 0.895 inches minimum and 0.900 inches maximum
Head Height: 0.130 inches minimum and 0.140 inches maximum
Shank Unthreaded Hole Diameter: 0.104 inches minimum and 0.110 inches maximum first hole
Internal Drive Style: torque
Nominal Thread Diameter: 0.438 inches
Features Provided: casehardened
Thread Quantity Per Inch: 20
Hardness Rating: 600.0 vickers or firth diamond pyramid minimum and 700.0 vickers or firth diamond pyramid maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.390 inches nominal first hole
Material: steel overall
Material Document And Classification: st a5-v18 mfr ref single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: def. 29,class 1 mfr ref single treatment response overall
Thread Series Designator: unf

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
7R49	Shoulder Screw
7R9641293	Shoulder Screw
D5E9198-161	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-169-0759?

The FSCG of the NSN 5305-00-169-0759 is 5305

Does the NSN 5305-00-169-0759 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-169-0759 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 5305-00-169-0759 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-169-0759 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 5305-00-169-0759 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jan 8, 1971