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

Socket Head Cap Screw

Model / MPN: B1349-028 | NSN: 5305-00-185-2568
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
5305-00-185-2568
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.889 inches and 1.000 inches
Fastener Length
1.000 inches
Head Style
Knurled no. 1
Head Diameter
0.469 inches
Head Height
0.312 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
18
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Material
Steel
Thread Series Designator
Unc
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E219T2189 Screw, Cap, Socket He 2 EA 11/23/2018
SPE5E219T3559 Screw, Cap, Socket He 2 EA 12/24/2018
SPE5E219T4165 Screw, Cap, Socket He 9 EA 01/14/2019
SPE5E219T7589 Screw, Cap, Socket He 32 EA 04/04/2019

Pricing and Availability

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B1349-028 Cross Reference
  • 13490280