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Close Tolerance Bolt

NSN: 5306-00-003-0644 | Model: CIPRD-MS27576-5-26R

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the shank diameter, but not below the major diameter for applicable class of fit, as shown in the screw thread standards, federal standard h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160, 000 pounds per square inch (1100 megapascals) tensile strength, see bolt, shear. For items fabricated from material having less than 160, 000 pounds per square inch (1100 megapascals) tensile strength and not having a close tolerance, see bolt, machine.

NSN Properties and Flags
NATO Stock Number
5306-00-003-0644
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.311 inches and 0.378 inches
Fastener Length
Between 2.103 inches and 2.123 inches
Head Style
Dished hexagon
Head Height
Between 0.157 inches and 0.172 inches
Width Between Flats
Between 0.492 inches and 0.502 inches
Grip Diameter
Between 0.3108 inches and 0.3117 inches
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole
Thread Diameter
0.312 inches
Grip Length
Between 1.625 inches and 1.641 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
36.0 rockwell c and 41.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
1.988 inches first hole and 2.018 inches first hole
Surface Finish
32.0 microinches grip
Special Features
Detent ring in shank
Material
Steel comp e4340 or steel comp 4340 or steel comp 4140 or steel comp 8740 or steel comp 4130 or steel comp 6150
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
Thread Series Designator
Unjf

Pricing and Availability

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NSN 5306-00-003-0644 Datasheet

Supply Class (FSC):
Bolts
Cross Reference:
  • CIPRD-MS27576-5-26R
  • MS27576-5-26
  • CA4510-5-26
  • AS194-5-26
  • 106467-5-26
  • MS27576-5-26
Cage Codes:
  • Defense Logistics Agency (CAGE 14153)
  • Military Standards (CAGE 96906)
  • Arconic Global Fasteners & Rings, (CAGE 29372)
  • Avibank Mfg., Inc. (CAGE 84256)
  • Sps Technologies, Llc (CAGE 80539)
  • National Aerospace Standards (CAGE 80205)
Replacements:
  • 5306-00-003-0644 replaces 5306-00-557-8800
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

U - Precious metal content is unknown

CRITL

- The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

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
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • 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 $115.47 to $192.44..
Does NSN 5306-00-003-0644 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, Department Of The Navy, U.s. Coast Guard, Spain, Singapore, Australia, Canada, Republic Of Korea, United Kingdom, Netherlands, Italy, Greece, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 5306-00-003-0644?
000030644 or 00-003-0644
Does NSN 5306-00-003-0644 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5306-00-003-0644?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 11, 1972