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2637505PC160

View detailed technical data, stock status, and sourcing information for: 2637505PC160

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2637505PC160
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-256-6731
Item Name Code
22846
Assigment Date
03/17/1971 (55 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

0.349 inches minimum thread length, 2.786 inches nominal fastener length, 3a thread class, right-hand thread direction, fillister 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
0.349 inches minimum
Fastener Length
2.786 inches nominal
Head Style
fillister
Head Diameter
0.903 inches minimum and 0.973 inches maximum
Head Height
0.298 inches minimum and 0.358 inches maximum
Shoulder Diameter
0.622 inches minimum and 0.623 inches maximum first shoulder
Internal Drive Style
slot
Nominal Thread Diameter
0.438 inches
Thread Quantity Per Inch
20
Minimum Yield Strength
170000 pounds per square inch
Shoulder Shape
round first shoulder
Special Features
contains positive locking device of spring loaded balls,release is by plunger in head of bolt
Material
steel corrosion resisting overall
Material Document And Classification
ams 5643,17-4ph assn std single material 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
2637505PC160 Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-256-6731?
The FSCG of the NSN 5305-00-256-6731 is 5305
Does the NSN 5305-00-256-6731 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-256-6731 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 5305-00-256-6731 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-256-6731 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 5305-00-256-6731 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Mar 17, 1971

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