Product Details | SOCKET HEAD CAP SCREW

5305-01-545-8344 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: NAS1351N4LL6, NAS1351N4-LL6, 5305-01-545-8344, 01-545-8344, 5305015458344, 015458344

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 28 NOV 2006 01-545-8344

Drawings & Photos | NSN 5305-01-545-8344


Demand History | NSN 5305-01-545-8344

Part Number Request Date QTY Origin
5305-01-545-8344 2025-04-107 2700 United States
5305-01-545-8344 2025-04-107 10000 United States
5305-01-545-8344 2025-04-100 2700 US
5305-01-545-8344 2025-04-100 10000 US
5305-01-545-8344 2022-12-361 1000 United States
5305-01-545-8344 2021-06-160 1000 United States
5305-01-545-8344 2021-04-104 1000 United States
5305-01-545-8344 2020-10-276 2500 United States
NAS1351N4LL6 2020-09-255 192 United States
NAS1351N4LL6 2017-07-212 2060 United States
5305-01-545-8344 2013-09-254 200 NL
NAS1351N4LL6 2013-05-129 410 US
NAS1351N4LL6 2013-04-93 500 US
NAS1351N4LL6 2012-11-324 1356 United States

Cross Reference | NSN 5305-01-545-8344

Part Number Cage Code Manufacturer
NAS1351N4-LL6 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-545-8344

Characteristic Specifications
THREAD SERIES DESIGNATOR UNRF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.375 INCHES MINIMUM
FASTENER LENGTH 0.375 INCHES NOMINAL
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.188 INCHES NOMINAL
LOCKING FEATURE STRIP HEAD

Restrictions/Controls & Freight Information | NSN 5305-01-545-8344

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