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

Socket Head Cap Screw

Model / MPN: 61428050224 | NSN: 5305-00-138-9921
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
5305-00-138-9921
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.328 inches and 0.391 inches
Fastener Length
Between 0.359 inches and 0.391 inches
Head Style
Flat chamfer
Head Diameter
Between 0.134 inches and 0.140 inches
Head Height
Between 0.083 inches and 0.086 inches
Spline Minor Diameter
Between 0.080 inches and 0.082 inches
Spline Major Diameter
Between 0.083 inches and 0.086 inches
Spline Width
Between 0.021 inches and 0.022 inches
Internal Drive Style
Six spline
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
64
Material
Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303f or steel comp 303se or steel comp 303 plus x or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 322 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Material Specification
66 federal standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
61428 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E218T6788 Screw, Cap, Socket He 100 EA 03/23/2018
SPE5E218T9392 Screw, Cap, Socket He 91 EA 05/21/2018
SPE5E218T9998 Screw, Cap, Socket He 109 EA 06/07/2018

Pricing and Availability

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61428050224 Cross Reference