Product Details | SOCKET HEAD CAP SCREW

5305-01-439-2887 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: PWA7685518, PWA76855-18, 91275A537, 96452A537, 5305-01-439-2887, 01-439-2887, 5305014392887, 014392887

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 04 DEC 1996 01-439-2887

Drawings & Photos | NSN 5305-01-439-2887


Cross Reference | NSN 5305-01-439-2887

Part Number Cage Code Manufacturer
91275A537 39428 MCMASTER-CARR SUPPLY COMPANY
96452A537 39428 MCMASTER-CARR SUPPLY COMPANY
PWA76855-18 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 5305-01-439-2887

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.400 INCHES MAXIMUM
FASTENER LENGTH 0.500 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT OXIDE OVERALL
COLOR BLACK OVERALL
HEAD STYLE B30 BUTTON
HEAD DIAMETER 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
INTERNAL DRIVE STYLE D24 TORX
SPLINE MAJOR DIAMETER 0.183 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-439-2887

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: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

Management | NSN 5305-01-439-2887

Category Code Description
Materiel Management Aggregation CodeBATB:C-17 PROGRAM
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Budget CodeS 1557X3010:Aircraft Replenishment Spares
Source of SupplyF77Boeing Military Transportation Aircraft
Los Angeles, CA 90307-3044
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative