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NSN 5305-01-290-8885

Panel Screw

About this product

0.500 inches fastener length, knurled no. 1 head style, 0.310 inches head diameter, head height: 0.280 inches .

Manufacturer part number 125173-2 for national stock number 5305012908885.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-290-8885.

  • MPN or Model

    125173-2

  • 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)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.170 inches
  • Fastener Length
    0.500 inches
  • Head Style
    Knurled no. 1
  • Head Diameter
    0.310 inches
  • Head Height
    0.280 inches
  • First Diameter From Head
    Between 0.068 inches and 0.072 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.330 inches
  • Point Style
    Flat
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.112 inches
  • Thready Qty Per Inch (tpi)
    40
  • Criticality Code Justification
    Zzzy
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 303
  • Material Specification
    Astm a581 assn standard single material response
  • Surface Treatment
    Passivate
  • Special Test Features
    Special quality control testing
  • Surface Treatment Specification
    M.I.5-28 cagec 94271 mfr ref single treatment response
  • Test Data Document
    81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • Thread Series Designator
    Unc
  • Reference Number Differentiating Characteristics
    As differentiated by material which must conform to ships parts control center special quality control provisions and certified free from mercury contamination
More from these suppliers
Externally Relieved Body Screw

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

Mechanic Bill explains Panel Screw

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NSN 5305012908885

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
125173-2 Lockheed Martin Corporation
LL-HX5-9164 Defense Logistics Agency
125173-2 Lockheed Martin Corporation
LL-HX5-9164 Defense Logistics Agency
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