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NAS1351-3H6P

View detailed technical data, stock status, and sourcing information for: NAS1351-3H6P

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NAS1351-3H6P
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-054-2031
Item Name Code
16282
Assigment Date
01/01/1961 (65 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, flat chamfer head style, 0.345 inches minimum and 0.375 inches maximum fastener length, right-hand thread direction, 0.283 inches minimum and 0.375 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
0.283 inches minimum and 0.375 inches maximum
Fastener Length
0.345 inches minimum and 0.375 inches maximum
Head Style
flat chamfer
Head Diameter
0.303 inches minimum and 0.312 inches maximum
Head Height
0.185 inches minimum and 0.190 inches maximum
Hole Diameter
0.044 inches minimum and 0.050 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.190 inches
Width Across Flats
0.156 inches minimum and 0.159 inches maximum
Hole Quantity
6
Hole Type
drilled
Thread Quantity Per Inch
32
Minimum Tensile Strength
180000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength
15000 pounds per square inch
Hole Configuration Style
round internal hexagon
Material
steel overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
ams-qq-p-416, ty 2, cl 2 fed spec single treatment response overall
Thread Series Designator
unrf
Specification/Standard Data
80205-nas1351 professional/industrial association standard
Departure From Cited Designator
as mod by drilled holes thru hd

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
10124877 Socket Head Cap Screw
NAS1351-3H6P Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-054-2031?
The FSCG of the NSN 5305-00-054-2031 is 5305
Does the NSN 5305-00-054-2031 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-054-2031 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 5305-00-054-2031 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-054-2031 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 5305-00-054-2031 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 21,066
New Surplus 444
Total 21,510
Availability of this item was last updated on: 07/16/2026 07:07 AM EDT. Stock levels and pricing are subject to change.

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