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Machine Bolt

NSN: 5306-00-042-6921 | Model: ASME B18.2.1

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

NSN Properties and Flags
NATO Stock Number
5306-00-042-6921
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.750 inches
Fastener Length
2.000 inches
Head Style
Square
Head Height
0.172 inches
Width Between Flats
0.375 inches
Thread Diameter
0.250 inches
Features Provided
Unfinished head
Thready Qty Per Inch (tpi)
20
Material
Steel comp 1008 or steel comp 1009 or steel comp 1010 or steel comp 1011
Material Specification
66 federal standard all material responses
Surface Treatment
Zinc
Surface Treatment Specification
Astm b633 federal specification single treatment response
Thread Series Designator
Unc
Specification Data
05047-asme b18.2.1 professional/industrial association standard

Inventory Check

The last inventory check on this NSN was done on 05/12/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New: 10408
  • New Surplus: 1508

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 5306-00-042-6921 Datasheet

Supply Class (FSC):
Bolts
Cross Reference:
  • ASME B18.2.1
  • MS35190-291
  • 426921
  • FF-B-575 TY1
  • FF-B-575
  • B18.2.1
  • 426921
  • MS35355-5
  • 426921
Cage Codes:
  • American Society Of Mechanical (CAGE 05047)
  • Military Standards (CAGE 96906)
  • General Motors Llc (CAGE 7X677)
  • General Services Administration (CAGE 80244)
  • Federal Specifications (CAGE 81348)
  • American National Standards (CAGE 80204)
  • Army Weapons Command (CAGE 21450)
  • General Motors Corp (CAGE 24617)
Replacements:
  • 5306-00-042-6921 replaces 5306-00-010-9152
Schedule B & Trade:
  • Schedule B: 7318152000 (NAICS 332722)

    Bolts and bolts and their nuts or washers exported in the same shipment

  • SITC: 69421

    Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

  • End Use: 12110

    Iron and steel products, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    093486 - Bolts, nuts or screws, noi (sub 3)

  • WCC:

    573 - Bolts or nuts (iron or steel),(less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Gsa
  • AAC
    J
  • Quantity per pack
    No qup
  • Unit of Measure
    Hd
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    T2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $102.26 to $170.44..
Does NSN 5306-00-042-6921 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, Defense Logistics Agency, Panama Canal Company, General Services Administration, Greece, and Turkey
What is the NIIN of NSN 5306-00-042-6921?
000426921 or 00-042-6921
Does NSN 5306-00-042-6921 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5306-00-042-6921?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963