Product Details | SOCKET HEAD CAP SCREW

5305-00-057-4520 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: AS1040411, AS104-04-11, CA2730411, CA2730-4-11, CC00035411, CC00035-4-11, 5305-00-057-4520, 00-057-4520, 5305000574520, 000574520

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JUN 1967 00-057-4520

Drawings & Photos | NSN 5305-00-057-4520


Cross Reference | NSN 5305-00-057-4520

Part Number Cage Code Manufacturer
AS104-04-11 84256 AVIBANK MFG., INC.
CA2730-4-11 29372 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
CC00035-4-11 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 5305-00-057-4520

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
FASTENER LENGTH 1.146 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.3742 INCHES MINIMUM AND 0.3747 INCHES MAXIMUM
HEAD HEIGHT 0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.1875 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM
LOCKING FEATURE PELLET GRIP
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.037 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE
MANUFACTURERS CODE 84256
DESIGN CONTROL REFERENCE AS104-04-11

Restrictions/Controls & Freight Information | NSN 5305-00-057-4520

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
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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code SG 403 SCMS/GUED
5215 Thurlow St, Suite 5, Bldg 70C
Wright-Patterson AFB OH 45433
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5305-00-057-4520

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each