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5305-00-939-9207

Find complete technical information, availability, and procurement data for: 5305-00-939-9207

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5305-00-939-9207
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-939-9207
Item Name Code
18257
Assigment Date
11/30/1965 (60 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.

hexagon head style, 2a thread class, 2.000 inches minimum and 2.277 inches maximum thread length, right-hand thread direction, 3.750 inches nominal fastener 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
2a
Thread Direction
right-hand
Thread Length
2.000 inches minimum and 2.277 inches maximum
Fastener Length
3.750 inches nominal
Head Style
hexagon
Head Height
0.531 inches minimum and 0.563 inches maximum
Width Between Flats
1.285 inches minimum and 1.312 inches maximum
Nominal Thread Diameter
0.875 inches
Thread Quantity Per Inch
9
Minimum Tensile Strength
110000 pounds per square inch
Hardness Rating
22.0 rockwell c minimum and 32.0 rockwell c maximum overall
Minimum Yield Strength
78000 pounds per square inch
Material
steel overall
Material Document And Classification
sae gr 5 assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-577-5580 No Name Available 09/30/1966

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
021-13835 Hexagon Head Cap Screw
74411REV A1 ITEM 80 Hexagon Head Cap Screw
MS90725-216 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-939-9207?
The FSCG of the NSN 5305-00-939-9207 is 5305
Does the NSN 5305-00-939-9207 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-939-9207 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 5305-00-939-9207 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-939-9207 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 5305-00-939-9207 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Tue, Nov 30, 1965

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