Product Details | CLOSE TOLERANCE SCREW

5305-01-061-2976 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: BACB30FB49, BACB30FB4-9, 5305-01-061-2976, 01-061-2976, 5305010612976, 010612976

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 16 JUN 1978 01-061-2976

Drawings & Photos | NSN 5305-01-061-2976


Cross Reference | NSN 5305-01-061-2976

Part Number Cage Code Manufacturer
BACB30FB4-9 17765 BOEING COMPANY, THE DBA BOEING
BACB30FB4-9 81205 THE BOEING COMPANY DBA BOEING

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 5305-01-061-2976

Technical Data | NSN 5305-01-061-2976

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
FASTENER LENGTH 0.972 INCHES MINIMUM AND 1.002 INCHES MAXIMUM
MATERIAL STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL
SURFACE TREATMENT CADMIUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM
COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
GRIP LENGTH 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES THREADS

Restrictions/Controls & Freight Information | NSN 5305-01-061-2976

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.
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