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

Socket Head Cap Screw

Model / MPN: LL51959-2 | NSN: 5305-00-957-4154
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
5305-00-957-4154
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.187 inches
Fastener Length
0.187 inches
Head Style
Flat countersunk
Head Diameter
0.172 inches
Locking Feature
Strip threads
Internal Drive Style
Cross recess type 1
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Material
Steel comp 410 or steel comp 416
Material Specification
Qq-s-763 federal specification all material responses
Surface Treatment
Passivate
Thread Series Designator
Unc
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E318T6958 Screw, Cap, Socket He 477 EA 02/27/2018

Pricing and Availability

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LL51959-2 Cross Reference
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