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Worldwide distributor of NSN parts and consumables located in the USA.

Socket Head Cap Screw

Model / MPN: 3176207-214 | NSN: 5305-01-316-5271
ITAR Registered seal

An externally threaded fastener whose threaded portion is of one 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.

Product Details
NATO Stock Number
5305-01-316-5271
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
2.220 inches
Fastener Length
2.500 inches
Head Style
Flat chamfer
Head Diameter
Between 1.479 inches and 1.500 inches
Head Height
Between 0.988 inches and 1.000 inches
Locking Feature
Patch threads
Internal Drive Style
Hexagon
Thread Diameter
1.000 inches
Width Across Flats
0.750 inches
Thready Qty Per Inch (tpi)
8
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
37.0 rockwell c fastener and 45.0 rockwell c fastener
Minimum Yield Strength
150000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Material
Plastic polyamide locking feature
Material
Steel fastener
Surface Treatment
Zinc fastener and chromate fastener
Surface Treatment Specification
Astm b633 type 2, cl fe/zm 5 assn standard single treatment response fastener
Thread Series Designator
Unc
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E018T4925 Screw, Cap, Socket He 1 EA 09/05/2018
SPE5E118T0428 Screw, Cap, Socket He 1 EA 09/19/2018
SPE5E319T1228 Screw, Cap, Socket He 1 EA 10/26/2018
SPE4A621T19ZV Screw, Cap, Socket Hea 1 EA 08/06/2021

Pricing and Availability

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3176207-214 Cross Reference
  • 1611200-233