Product Details | CLOSE TOLERANCE SCREW

5305-00-485-0855 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: NAS1132C16, 5305-00-485-0855, 00-485-0855, 5305004850855, 004850855

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 04-JUN-69 00-485-0855

Drawings & Photos | NSN 5305-00-485-0855


Cross Reference | NSN 5305-00-485-0855

Part Number Cage Code Manufacturer
NAS1132C16 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NAS1132E16 04348 LAWRENCE ENGINEERING AND SUPPLY INC
NAS1132E16 07851 NOR-CAL SUPPLY CO.INC.
NAS1132E16 08938 AIR INDUSTRIES CO INC
NAS1132E16 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
NAS1132E16 30902 F AND C SALES INC
NAS1132E16 50568 APCOM INC
NAS1132E16 53606 PLASTIC AND METAL PRODUCTS CORPORATION
NAS1132E16 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
NAS1132E16 58998 EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY
NAS1132E16 73197 HI-SHEAR CORPORATION
NAS1132E16 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NAS1132E16 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
NAS1132E16 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
NAS1132E16 97928 HUCK INTL INC
NAS1132E16 L4528 LISI AEROSPACE CANADA CORP

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Technical Data | NSN 5305-00-485-0855

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
FASTENER LENGTH 1.261 INCHES MINIMUM AND 1.291 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5735 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 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 140000 POUNDS PER SQUARE INCH
HEAD STYLE C32 PAN
HEAD DIAMETER 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
INTERNAL DRIVE STYLE D8 TORQUE SET
GRIP LENGTH 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
GRIP DIAMETER 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS

Restrictions/Controls & Freight Information | NSN 5305-00-485-0855

Category Code Description
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.
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
No Freight Information