Product Details | MACHINE SCREW

5305-01-238-4554 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: CF0163002, CF0163-002, D7916396A, D791639-6-A, 5305-01-238-4554, 01-238-4554, 5305012384554, 012384554

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 14 AUG 1986 01-238-4554

Drawings & Photos | NSN 5305-01-238-4554


Demand History | NSN 5305-01-238-4554

Part Number Request Date QTY Origin
D7916396A 2025-12-336 90 IN
5305-01-238-4554 2021-06-179 700 India

Cross Reference | NSN 5305-01-238-4554

Part Number Cage Code Manufacturer
CF0163-002 22915 NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM
D791639-6-A 0HDW7 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
D791639-6-A 97928 HUCK INTL INC

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Technical Data | NSN 5305-01-238-4554

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.216 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.125 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
FASTENER LENGTH 0.312 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 303
SCREW MATERIAL DOCUMENT AND CLASSIFICATION ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT PASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE B4 RECESSED TYPE 1
SPECIAL FEATURES 0.140 INCH DIA HOLE ALONG THE LONGITUDINAL CENTERLINE

Restrictions/Controls & Freight Information | NSN 5305-01-238-4554

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
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