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

Socket Head Cap Screw

Model / MPN: 91251A016 | NSN: 5305-01-558-7601
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
5305-01-558-7601
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.500 inches
Head Style
Fillister
Internal Drive Style
Hexagon
End Application
Tmss-lrg-edfp
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
180000 pounds per square inch
Material
Steel
Surface Treatment
Oxide
Thread Series Designator
Un
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E215TF148 Screw, Cap, Socket He 255 EA 08/10/2015
SPE5E717T1018 Screw, Cap, Socket He 255 EA 11/04/2016

Pricing and Availability

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91251A016 Cross Reference