NSN 5305-01-149-1941
Panel Assembly Fastener
Shoulder thd 250-20 unc-3a.
Manufacturer part number 2149861 for national stock number 5305011491941.
Datasheet
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Product description
Shoulder Screw NSN 5305-01-149-1941.
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MPN or Model
2149861
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.406 inches -
Fastener Length
1.000 inches -
Head Style
Flat chamfer -
Head Diameter
Between 0.367 inches and 0.375 inches -
Head Height
Between 0.244 inches and 0.250 inches -
Shoulder Diameter
0.250 inches first shoulder -
Shoulder Length
0.500 inches first shoulder -
Internal Drive Style
Hexagon -
Thread Diameter
0.190 inches -
Width Across Flats
Between 0.187 inches and 0.189 inches -
Thready Qty Per Inch (tpi)
24 -
Shoulder Shape
Round first shoulder -
Material
Steel -
Surface Treatment
Zinc -
Surface Treatment Specification
Qq-z-325, class 3, type 2 federal specification single treatment response -
Thread Series Designator
Unc
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.
Pricing and Availability
Get a quote for 5305-01-149-1941 shoulder screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
2149861 | Navair And Navsea Managed |