Product Details | CLOSE TOLERANCE SCREW

5305-01-304-2725 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: NAS1143E5, 5305-01-304-2725, 01-304-2725, 5305013042725, 013042725

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 14 JUL 1989 01-304-2725

Drawings & Photos | NSN 5305-01-304-2725


Demand History | NSN 5305-01-304-2725

Part Number Request Date QTY Origin
5305-01-304-2725 2025-04-94 287 DIBBS
5305-01-304-2725 2025-03-84 287 DIBBS
5305-01-304-2725 2023-08-234 157 DIBBS
5305-01-304-2725 2023-07-204 67 DIBBS

Cross Reference | NSN 5305-01-304-2725

Part Number Cage Code Manufacturer
NAS1143E5 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-304-2725

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 0.276 INCHES NOMINAL
FASTENER LENGTH 0.574 INCHES MINIMUM AND 0.604 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 296.0 BRINELL TUNGSTEN CARBIDE NOMINAL OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C32 PAN
HEAD DIAMETER 0.361 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD HEIGHT 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
INTERNAL DRIVE STYLE D8 TORQUE SET
GRIP LENGTH 0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
GRIP DIAMETER 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 125.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
SPECIFICATION/STANDARD DATA 80205-NAS1143 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-304-2725

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.
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
No Freight Information

Management | NSN 5305-01-304-2725

Category Code Description
Materiel Management Aggregation CodeDNTM:RQ-4A
Budget CodeS 1557X3010:Aircraft Replenishment Spares
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplyF78Northrop Grumman Ryan Aero
San Diego, CA 92127-ND
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
1
EA : Each