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NAS1351-7H28P

View detailed technical data, stock status, and sourcing information for: NAS1351-7H28P

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NAS1351-7H28P
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-203-6440
Item Name Code
16282
Assigment Date
03/16/1985 (41 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.

right-hand thread direction, 3a thread class, flat chamfer head style, 1.590 inches minimum and 1.750 inches maximum thread length, 1.690 inches minimum and 1.750 inches maximum 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
3a
Thread Direction
right-hand
Thread Length
1.590 inches minimum and 1.750 inches maximum
Fastener Length
1.690 inches minimum and 1.750 inches maximum
Head Style
flat chamfer
Head Diameter
0.642 inches minimum and 0.656 inches maximum
Head Height
0.430 inches minimum and 0.437 inches maximum
Hole Diameter
0.061 inches minimum and 0.067 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.438 inches
Width Across Flats
0.375 inches minimum and 0.379 inches maximum
Hole Quantity
6
Hole Type
drilled
Thread Quantity Per Inch
20
Minimum Tensile Strength
170000 pounds per square inch
Hardness Rating
38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength
150000 pounds per square inch
Hole Configuration Style
round internal hexagon
Material
steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 322 or steel comp 324 or steel comp 347 overall
Material Document And Classification
66 fed std all material responses overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty2,cl2 fed spec single treatment response overall
Thread Series Designator
unrf
Specification/Standard Data
80205-nas1351 professional/industrial association standard

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
4176204-1/4 Socket Head Cap Screw
NAS1351-7H28P Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-203-6440?
The FSCG of the NSN 5305-01-203-6440 is 5305
Does the NSN 5305-01-203-6440 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-203-6440 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 5305-01-203-6440 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-203-6440 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 5305-01-203-6440 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Sat, Mar 16, 1985

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