Product Details | THUMBSCREW

5305-01-010-7256 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Part Alternates: 65700-90074-101, 5305-01-010-7256, 01-010-7256, 5305010107256, 6570090074101, 010107256

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 05 OCT 1975 01-010-7256

Drawings & Photos | NSN 5305-01-010-7256


Cross Reference | NSN 5305-01-010-7256

Part Number Cage Code Manufacturer
65700-90074-101 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 5305-01-010-7256

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM
FASTENER LENGTH 3.620 INCHES MINIMUM AND 3.640 INCHES MAXIMUM
MATERIAL STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION SS-8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C69 KNURLED NO. 4
HEAD DIAMETER 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM
HEAD HEIGHT 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
POINT STYLE F22 POINTLESS

Restrictions/Controls & Freight Information | NSN 5305-01-010-7256

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