Product Details | MACHINE BOLT

5306-01-278-3779 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 nominal 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.

Part Alternates: BR21114021, BR2111-4021, ST26D58, ST26D584021, ST26D58-4021, 5306-01-278-3779, 01-278-3779, 5306012783779, 012783779

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 04 MAY 1988 01-278-3779

Drawings & Photos | NSN 5306-01-278-3779


Cross Reference | NSN 5306-01-278-3779

Part Number Cage Code Manufacturer
BR2111-4021 17023 BRUCE AEROSPACE INC. DIV BRUCE AEROSPACE INC
ST26D58 04236 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN SPACE SYSTEMS
ST26D58-4021 04236 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN SPACE SYSTEMS

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Technical Data | NSN 5306-01-278-3779

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.3750 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.633 INCHES MINIMUM AND 0.693 INCHES MAXIMUM
FASTENER LENGTH 0.773 INCHES MINIMUM AND 0.803 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 140000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
GRIP LENGTH 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD AND FLAT WASHER AND SPACER
SPECIAL FEATURES FURNISH WITH TAB
MANUFACTURERS CODE 17023
DESIGN CONTROL REFERENCE BR2111-4021

Restrictions/Controls & Freight Information | NSN 5306-01-278-3779

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code KH Defense Industrial Supply Center
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5306-01-278-3779

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeAHSU:LGM-30 MINUTEMAN
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each