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5305-01-028-3294

Find complete technical information, availability, and procurement data for: 5305-01-028-3294

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5305-01-028-3294
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-028-3294
Item Name Code
16282
Assigment Date
09/30/1976 (49 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

right-hand thread direction, flat chamfer head style, 1.500 inches nominal fastener length, 3a thread class, 1.389 inches maximum 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
1.389 inches maximum
Fastener Length
1.500 inches nominal
Head Style
flat chamfer
Head Diameter
0.457 inches minimum and 0.469 inches maximum
Head Height
0.306 inches minimum and 0.312 inches maximum
Locking Feature
patch threads
Internal Drive Style
hexagon
Nominal Thread Diameter
0.312 inches
Width Across Flats
0.250 inches nominal
Thread Quantity Per Inch
18
Minimum Tensile Strength
180000 pounds per square inch
Hardness Rating
38.0 rockwell c minimum and 45.0 rockwell c maximum fastener
Minimum Yield Strength
155000 pounds per square inch
Material
steel uns k03104 fastener
Material Document And Classification
astm a574 assn std single material response fastener
Material Document And Classification
mil-f-18240 mil spec single material response locking feature
Surface Treatment
zinc and chromate fastener
Surface Treatment Document And Classification
astm b633 ty 2 assn std single treatment response fastener
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-930-4813 No Name Available 07/01/2000

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
1611209-92 Socket Head Cap Screw
3176207-C-125 Socket Head Cap Screw
3176207-C-625 Socket Head Cap Screw
5305PL0935589 Socket Head Cap Screw
MS16997-82L Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-028-3294?
The FSCG of the NSN 5305-01-028-3294 is 5305
Does the NSN 5305-01-028-3294 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-028-3294 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 5305-01-028-3294 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-028-3294 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 5305-01-028-3294 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Thu, Sep 30, 1976

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