Product Details | CLOSE TOLERANCE SCREW

5305-01-591-0195 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: HT4027712M, HT4027-7-12M, ST3M557712M, ST3M557-7-12M, WC4027712M, WC4027-7-12M, 11923712M, 11923-7-12M, 5305-01-591-0195, 01-591-0195, 5305015910195, 015910195

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 06 JAN 2011 01-591-0195

Cross Reference | NSN 5305-01-591-0195

Part Number Cage Code Manufacturer
11923-7-12M 59563 REID PRODUCTS INC. DBA REID PRODUCTS
HT4027-7-12M 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
HT4027-7-12M 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4027-7-12M 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
HT4027-7-12M 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
HT4027-7-12M 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
HT4027-7-12M 73197 HI-SHEAR CORPORATION
HT4027-7-12M 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
HT4027-7-12M 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4027-7-12M L4528 LISI AEROSPACE CANADA CORP
ST3M557-7-12M 06710 VALLEY-TODECO, INC.
ST3M557-7-12M 0K6Z0 SATURN FASTENERS INC DIV ACUMENT
ST3M557-7-12M 0ZC92 HEARTLAND PRECISION FASTENERS, INC.
ST3M557-7-12M 1VSL7 HOUSTON PRECISION FASTENER L.L.C.
ST3M557-7-12M 4WL75 CAMCAR LLC DIV CAMCAR LLC
ST3M557-7-12M 76301 BOEING COMPANY, THE DBA BOEING
ST3M557-7-12M U6683 LINREAD LTD DBA LINREAD NORTHBRIDGE
WC4027-7-12M 60516 WEST COAST AEROSPACE INC

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Technical Data | NSN 5305-01-591-0195

Characteristic Specifications
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION RIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCY SCREW-CLOSE TOLERANCE, 100 DEG COUNTERSUNK, REDUCED HEAD, HI-TORQUE, NON-MAGNETIC CRES (125 KSI FSU)
POINT STYLE FLAT
GRIP DIAMETER 0.437 NOMINAL INCHES
INTERNAL DRIVE STYLE HIGH-TORQUE
THREAD LENGTH 0.656 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD HEIGHT 0.020 INCHES MAXIMUM
POINT CHAMFER ANGLE 45.0 MAXIMUM OF STANDARD RANGE SINGLE TREATMENT RESPONSE
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NOMINAL THREAD DIAMETER 0.438 INCHES
THREAD SERIES DESIGNATOR UNJF
SPECIAL FEATURES ITEM HAS A DRY FILM LUBE APPLIED TO THE SHANK AND THE THREADS ONLY WITH 100 PERCENT COVERAGE OF THREADS AND 80 TO 100 PERCENT COVERAGE OF THE SHANK LENGTH
HEAD DIAMETER 0.612 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
FASTENER LENGTH 1.641 INCHES MINIMUM AND 1.671 INCHES MAXIMUM
GRIP LENGTH 1.000 NOMINAL INCHES
SURFACE TREATMENT PASSIVATE OVERALL
POINT LENGTH 0.062 INCHES NOMINAL
THREAD QUANTITY PER INCH 20
MATERIAL NICKEL ALLOY 718 OVERALL
HEAD STYLE FILLISTER COUNTERSUNK
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-591-0195

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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 TG Warner-Robins Air Logistics Center
Robins AFB, GA 31098-5609
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 5305-01-591-0195

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 CodeFXTG:F-15 EAGLE
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