Product Details | SOCKET HEAD CAP SCREW

5305-01-083-0776 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: NAS11894T42K, NAS1189-4T42K, 5305-01-083-0776, 01-083-0776, 5305010830776, 010830776

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 15 SEP 1979 01-083-0776

Drawings & Photos | NSN 5305-01-083-0776


Cross Reference | NSN 5305-01-083-0776

Part Number Cage Code Manufacturer
NAS1189-4T42K 04348 LAWRENCE ENGINEERING AND SUPPLY INC
NAS1189-4T42K 07679 HARDWARE SPECIALTY CO. INC.
NAS1189-4T42K 07851 NOR-CAL SUPPLY CO.INC.
NAS1189-4T42K 08938 AIR INDUSTRIES CO INC
NAS1189-4T42K 16941 LONG-LOK FASTENERS CORPORATION
NAS1189-4T42K 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
NAS1189-4T42K 30902 F AND C SALES INC
NAS1189-4T42K 50568 APCOM INC
NAS1189-4T42K 53606 PLASTIC AND METAL PRODUCTS CORPORATION
NAS1189-4T42K 56357 ND INDUSTRIES, INC. DIV EASTERN DIVISION
NAS1189-4T42K 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
NAS1189-4T42K 58998 EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY
NAS1189-4T42K 73197 HI-SHEAR CORPORATION
NAS1189-4T42K 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NAS1189-4T42K 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
NAS1189-4T42K 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
NAS1189-4T42K 97928 HUCK INTL INC
NAS1189-4T42K L4528 LISI AEROSPACE CANADA CORP

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Technical Data | NSN 5305-01-083-0776

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.750 INCHES MINIMUM
FASTENER LENGTH 2.531 INCHES MINIMUM AND 2.625 INCHES MAXIMUM
MATERIAL STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D8 TORQUE SET
LOCKING FEATURE PELLET OR STRIP THREADS
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
SPECIFICATION/STANDARD DATA 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-083-0776

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:UPrecious metal type is unknown
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 096640 SCREWS, IRON OR STEEL
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5305-01-083-0776

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.
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.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each