Product Details | CLOSE TOLERANCE SCREW

5305-01-373-4843 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: HT4024L917, HT4024L9-17 , HT4027917, HT4027-9-17 , ST3M4559L17, ST3M455-9L17, ST3M557917, ST3M557-9-17, 119079L17, 11907-9L17 , 11923917, 11923-9-17 , 5305-01-373-4843, 01-373-4843, 5305013734843, 013734843

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 06 APR 1993 01-373-4843

Drawings & Photos | NSN 5305-01-373-4843


Demand History | NSN 5305-01-373-4843

Part Number Request Date QTY Origin
5305-01-373-4843 2023-01-18 8 MANUAL
ST3M455-9L17 2023-01-18 8 Saudi Arabia
5305-01-373-4843 2018-12-338 1 DIBBS
5305-01-373-4843 2018-09-256 3 DIBBS
5305-01-373-4843 2018-09-248 3 DIBBS
5305-01-373-4843 2018-05-133 3 DIBBS
5305-01-373-4843 2018-04-114 1 DIBBS
5305-01-373-4843 2011-08-238 5 DIBBS
5305-01-373-4843 2011-06-154 1 DIBBS

Cross Reference | NSN 5305-01-373-4843

Part Number Cage Code Manufacturer
11907-9L17 59563 REID PRODUCTS INC. DBA REID PRODUCTS
11923-9-17 59563 REID PRODUCTS INC. DBA REID PRODUCTS
HT4024L9-17 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4024L9-17 73197 HI-SHEAR CORPORATION
HT4024L9-17 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
HT4024L9-17 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4024L9-17 K5676 CMP PRODUCTS A DIVISION OF BRITISH ENGINES LTD
HT4024L9-17 L4528 LISI AEROSPACE CANADA CORP
HT4027-9-17 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
ST3M455-9L17 76301 BOEING COMPANY, THE DBA BOEING
ST3M557-9-17 06710 VALLEY-TODECO, INC.
ST3M557-9-17 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
ST3M557-9-17 0K6Z0 SATURN FASTENERS INC DIV ACUMENT
ST3M557-9-17 0ZC92 HEARTLAND PRECISION FASTENERS, INC.
ST3M557-9-17 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
ST3M557-9-17 1VSL7 HOUSTON PRECISION FASTENER L.L.C.
ST3M557-9-17 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
ST3M557-9-17 4WL75 CAMCAR LLC DIV CAMCAR LLC
ST3M557-9-17 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
ST3M557-9-17 58998 EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY
ST3M557-9-17 60516 WEST COAST AEROSPACE INC
ST3M557-9-17 76301 BOEING COMPANY, THE DBA BOEING
ST3M557-9-17 U6683 LINREAD LTD DBA LINREAD NORTHBRIDGE

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Technical Data | NSN 5305-01-373-4843

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.562 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.906 INCHES NOMINAL
FASTENER LENGTH 1.953 INCHES MINIMUM AND 1.983 INCHES MAXIMUM
MATERIAL STEEL COMP XM-13 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL PAINT TOP OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
COLOR WHITE TOP OF HEAD
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.766 INCHES MINIMUM AND 0.838 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
GRIP LENGTH 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
GRIP DIAMETER 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-373-4843

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 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
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 5305-01-373-4843

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 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