Product Details | CLOSE TOLERANCE SCREW

5305-01-169-8256 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: SS5112839, SS5112-839, 5305-01-169-8256, 01-169-8256, 5305011698256, 011698256

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 16 JAN 1984 01-169-8256

Drawings & Photos | NSN 5305-01-169-8256


Demand History | NSN 5305-01-169-8256

Part Number Request Date QTY Origin
SS5112-839 2023-04-110 221 DIBBS
SS5112-839 2022-12-339 67 DIBBS
SS5112-839 2022-09-269 81 DIBBS
SS5112-839 2022-03-81 10 DIBBS
5305-01-169-8256 2018-08-232 28 DIBBS
5305-01-169-8256 2018-05-128 28 DIBBS
5305-01-169-8256 2015-07-201 42 DIBBS
5305-01-169-8256 2013-05-135 60 DIBBS
5305-01-169-8256 2011-12-354 407 DIBBS

Cross Reference | NSN 5305-01-169-8256

Part Number Cage Code Manufacturer
SS5112-839 16258 SPACELOK INC.
SS5112-839 73197 HI-SHEAR CORPORATION
SS5112-839 78286 SIKORSKY AIRCRAFT CORPORATION
SS5112-839 84256 AVIBANK MFG., INC.
SS5112-839 L4528 LISI AEROSPACE CANADA CORP

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Technical Data | NSN 5305-01-169-8256

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.395 INCHES MINIMUM AND 0.446 INCHES MAXIMUM
FASTENER LENGTH 3.083 INCHES MINIMUM AND 3.103 INCHES MAXIMUM
MATERIAL STEEL COMP 631 OR STEEL COMP 302 SPRING STEEL COMP 632 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 63000 POUNDS PER SQUARE INCH
HEAD STYLE C4 CROWNED HEXAGON
HEAD HEIGHT 0.251 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
LOCKING FEATURE DETENT BALL GRIP
GRIP LENGTH 2.438 INCHES MINIMUM AND 2.454 INCHES MAXIMUM
GRIP DIAMETER 0.4986 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 2.951 INCHES MINIMUM AND 2.971 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
MANUFACTURERS CODE 78286
MFR SOURCE CONTROLLING REFERENCE SS5112-839

Restrictions/Controls & Freight Information | NSN 5305-01-169-8256

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:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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 5305-01-169-8256

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each