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3M902C7-24A

View detailed technical data, stock status, and sourcing information for: 3M902C7-24A

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3M902C7-24A
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-143-5039
Item Name Code
22846
Assigment Date
12/05/1982 (43 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.

3a thread class, 2.140 inches minimum and 2.187 inches maximum fastener length, 0.630 inches minimum and 0.697 inches maximum thread length, flat countersunk undercut 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
3a
Thread Direction
right-hand
Thread Length
0.630 inches minimum and 0.697 inches maximum
Fastener Length
2.140 inches minimum and 2.187 inches maximum
Head Style
flat countersunk undercut
Head Diameter
0.881 inches minimum and 0.888 inches maximum
Head Height
0.113 inches minimum and 0.120 inches maximum
Shoulder Diameter
0.4677 inches minimum and 0.4682 inches maximum first shoulder
Shoulder Length
1.370 inches minimum and 1.397 inches maximum first shoulder
Internal Drive Style
high-torque
Nominal Thread Diameter
0.438 inches
Thread Quantity Per Inch
24
Countersink Angle
100.0 degrees nominal
Shoulder Shape
round first shoulder
Special Features
furnished with one rubber o ring
Material
steel comp xm-13 overall
Material Document And Classification
ams5629 assn std single material response 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
11879C7-24A Shoulder Screw
3M902C7-24A Shoulder Screw
HT4020-7-24AY Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-143-5039?
The FSCG of the NSN 5305-01-143-5039 is 5305
Does the NSN 5305-01-143-5039 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-143-5039 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 5305-01-143-5039 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-143-5039 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 5305-01-143-5039 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Sun, Dec 5, 1982

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