Product Details | MACHINE SCREW

5305-01-552-1191 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: AESF5F250875CH6A31, 5305-01-552-1191, 01-552-1191, 5305015521191, 015521191

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 06-JUN-07 01-552-1191

Drawings & Photos | NSN 5305-01-552-1191


Demand History | NSN 5305-01-552-1191

Part Number Request Date QTY Origin
5305-01-552-1191 2014-12-345 50 DIBBS
5305-01-552-1191 2014-07-195 50 DIBBS
5305-01-552-1191 2014-07-183 50 DIBBS

Cross Reference | NSN 5305-01-552-1191

Part Number Cage Code Manufacturer
AESF5F250875CH6A31 80204 AMERICAN NATIONAL STANDARDS INSTITUTE, INCORPORATED

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Technical Data | NSN 5305-01-552-1191

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.750 INCHES NOMINAL
FASTENER LENGTH 0.875 INCHES NOMINAL
SCREW MATERIAL STEEL CORROSION RESISTING
SCREW MATERIAL DOCUMENT AND CLASSIFICATION ASTM F593,ALLOY GRP 2.DEFAULT CODE CW ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT PASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE
HEAD STYLE A23 PAN
HEAD DIAMETER 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT 0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1
III END ITEM IDENTIFICATION MARK 38,MODEL 2

Restrictions/Controls & Freight Information | NSN 5305-01-552-1191

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
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