Product Details | CLOSE TOLERANCE SCREW

5305-01-193-7608 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: NAS1581C3R3, 5305-01-193-7608, 01-193-7608, 5305011937608, 011937608

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 07 NOV 1984 01-193-7608

Drawings & Photos | NSN 5305-01-193-7608


Demand History | NSN 5305-01-193-7608

Part Number Request Date QTY Origin
5305-01-193-7608 2025-12-343 0 DIBBS
5305-01-193-7608 2025-10-302 11 DIBBS
5305-01-193-7608 2025-10-302 0 DIBBS
NAS1581C3R3 2025-10-296 100 United States
5305-01-193-7608 2025-10-294 11 DIBBS
5305-01-193-7608 2025-09-265 0 DIBBS
5305-01-193-7608 2025-09-258 1 DIBBS
5305-01-193-7608 2025-09-258 2 DIBBS
5305-01-193-7608 2025-09-258 4 DIBBS
5305-01-193-7608 2025-09-258 5 DIBBS
5305-01-193-7608 2025-09-258 7 DIBBS
5305-01-193-7608 2025-08-219 1 DIBBS
5305-01-193-7608 2025-08-219 2 DIBBS
5305-01-193-7608 2025-08-219 4 DIBBS
5305-01-193-7608 2025-08-219 5 DIBBS
5305-01-193-7608 2025-08-219 7 DIBBS
5305-01-193-7608 2025-08-217 0 DIBBS
5305-01-193-7608 2025-07-211 0 DIBBS
5305-01-193-7608 2025-07-211 1 DIBBS
5305-01-193-7608 2025-07-211 2 DIBBS
5305-01-193-7608 2025-07-211 4 DIBBS
5305-01-193-7608 2025-07-211 5 DIBBS
5305-01-193-7608 2025-07-211 7 DIBBS
5305-01-193-7608 2025-07-211 0 DIBBS
NAS1581C3R3 2025-03-62 600 China
NAS1581C3R3 2024-10-282 106 US
5305-01-193-7608 2024-09-248 100 United States
5305-01-193-7608 2024-07-213 100 United States
NAS1581C3R3 2024-07-198 300 US
5305-01-193-7608 2024-07-196 1 DIBBS
5305-01-193-7608 2024-05-151 1 DIBBS
5305-01-193-7608 2024-05-151 2 DIBBS
5305-01-193-7608 2024-05-151 5 DIBBS
5305-01-193-7608 2024-05-151 8 DIBBS
5305-01-193-7608 2024-05-148 3 DIBBS
5305-01-193-7608 2024-05-137 1 DIBBS
5305-01-193-7608 2024-05-130 1 DIBBS
5305-01-193-7608 2024-05-130 2 DIBBS
5305-01-193-7608 2024-05-130 5 DIBBS
5305-01-193-7608 2024-05-130 8 DIBBS
NAS1581C3R3 2024-04-113 800 United States
NAS1581C3R3 2023-12-350 4 United States
NAS1581C3R3 2023-02-47 65 United States
NAS1581C3R3 2020-07-203 1200 US
5305-01-193-7608 2019-10-303 200 SK
5305-01-193-7608 2016-11-327 1 DIBBS-RFPs
NAS1581C3R3 2014-09-272 100 United States
5305-01-193-7608 2013-07-211 49568 DIBBS
NAS1581C3R3 2012-05-151 80 United States
5305-01-193-7608 2010-07-204 60000 DIBBS
NAS1581C3R3 2010-06-159 250 US
5305-01-193-7608 2010-04-103 50000 DIBBS
NAS1581C3R3 2010-03-67 100 IL
NAS1581C3R3 2009-06-175 562 Italy
5305-01-193-7608 2009-03-62 67000 DIBBS
5305-01-193-7608 2009-02-43 54000 DIBBS

Cross Reference | NSN 5305-01-193-7608

Part Number Cage Code Manufacturer
NAS1581C3R3 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-193-7608

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.337 INCHES MINIMUM AND 0.387 INCHES MAXIMUM
FASTENER LENGTH 0.534 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR 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 160000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.258 INCHES MINIMUM AND 0.305 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D8 TORQUE SET
GRIP LENGTH 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
GRIP DIAMETER 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
SPECIAL FEATURES INTERNAL DRIVE RIBBED
SPECIFICATION/STANDARD DATA 80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-193-7608

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 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
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 5305-01-193-7608

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each