5306-01-464-2251

Description: Close Tolerance Bolt

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MILSPEC: MIL-B-7838

 Export Restrictions

Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)

More MIL-B-7838 Parts

MIL-B-7838 Close Tolerance Bolt

Spec. Type Spec. Color Gloss Size
Material document and classification MIL-B-7838

Array Properties

  • NSN:
    Array
  • Description:
    Close Tolerance Bolt
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    --
  • Thread Class:
    3a
  • Thread Direction:
    Right-hand
  • Thread Length:
    0.686 inches
  • Fastener Length:
    2.104 inches
  • Head Style:
    Dished hexagon
  • Head Height:
    Between 0.375 inches and 0.390 inches
  • Width Between Flats:
    Between 1.052 inches and 1.064 inches
  • Grip Diameter:
    Between 0.7483 inches and 0.7490 inches
  • End Application:
    Chinook helicopter, model ch-47
  • Thread Diameter:
    0.750 inches
  • Grip Length:
    0.812 inches
  • Thready Qty Per Inch (tpi):
    16
  • Min. Tensile Strength (psi):
    63200 pounds per square inch
  • Material:
    Steel comp e4340
  • Material Specification:
    Mil-b-7838 military specification single material response
  • Surface Treatment:
    Cadmium
  • Surface Treatment Specification:
    Qq-p-416, ty ii, cl 3 federal specification single treatment response
  • Thread Series Designator:
    Unjf
Manufacturers and Part Numbers
Part Number
Brand
BACB30ST12-13
The Boeing Company
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
DSOR
Part Identification
INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27851
FIIG:
A003B0
Concept No.:
App. Key:
BC
Cond. Code:
1
Status:
A
Material and Special Handling
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
---
CRITL:
X
Hazmat (HMIC): N
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals (PMIC): A
Item does not contain precious metal.
Criticality (CRITL): X
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Packaging and Dimensions
Package Size
Package Weight
Part Weight
Part Dimensions (approx.)
Pack Size:
--
Pack Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
Container:
OPI:
SPI No.:
SPI Rev.:
SPC Mkg.
LVL A
LVL B
LVL C
SPC Mkg.:
LVL A:
LVL B:
LVL C:
CUSH
MOP
CATEG.
PRESS MAT
CUSH:
MOP:
CATEG.:
PRESS MAT:
WRAP MAT
ICQ
THK
TOS
UCL
WRAP MAT:
ICQ:
THK:
TOS:
UCL:
Packaging Code Definitions
LVL A Code (LVL_A):
LVL B Code (LVL_B):
Procedure Indicator Code (OPI):
Special Markings Code (SPC MKG):
Method of Preservation (MOP):
Cushion Material (CUSH):
Preservation Material (PRESS MAT):