Product Details | SOCKET HEAD CAP SCREW

5305-01-591-1277 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: NAS13511472, NAS1351-14-72, 5305-01-591-1277, 01-591-1277, 5305015911277, 015911277

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 12 JAN 2011 01-591-1277

Demand History | NSN 5305-01-591-1277

Part Number Request Date QTY Origin
NAS13511472 2009-02-42 12 US

Cross Reference | NSN 5305-01-591-1277

Part Number Cage Code Manufacturer
NAS1351-14-72 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-591-1277

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
INTERNAL DRIVE STYLE HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER 0.875 INCHES
THREAD LENGTH 2.250 INCHES MINIMUM
HEAD HEIGHT 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
HEAD STYLE FLAT CHAMFER
THREAD SERIES DESIGNATOR UNRF
SURFACE TREATMENT CADMIUM OVERALL
HEAD DIAMETER 1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL STEEL OVERALL
WIDTH ACROSS FLATS 0.094 INCHES NOMINAL
FASTENER LENGTH 4.500 INCHES NOMINAL
THREAD QUANTITY PER INCH 14
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-591-1277

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