Product Details | CLOSE TOLERANCE SCREW

5305-00-551-4842 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: HT4025L411, HT4025L4-11 , HT4025L44L11, HT4025L4-4L11, ST3M4544L11, ST3M454-4L11, WC4025411, WC4025-4-11, WC4025L411, WC4025L-4-11, 10125380, 119054L11, 11905-4L11 , 5305-00-551-4842, 00-551-4842, 5305005514842, 005514842

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 22 OCT 1974 00-551-4842

Drawings & Photos | NSN 5305-00-551-4842


Demand History | NSN 5305-00-551-4842

Part Number Request Date QTY Origin
ST3M4544L11 2024-08-29 40 us
5305-00-551-4842 2018-10-03 15 DIBBS
5305-00-551-4842 2018-09-25 11 DIBBS
5305-00-551-4842 2018-09-03 500 DIBBS
5305-00-551-4842 2018-08-21 500 DIBBS
5305-00-551-4842 2017-01-05 191 DIBBS
5305-00-551-4842 2016-12-13 169 DIBBS
5305-00-551-4842 2016-12-05 169 DIBBS
5305-00-551-4842 2014-08-04 119 DIBBS
5305-00-551-4842 2013-11-21 1 DIBBS-RFPs
5305-00-551-4842 2013-10-18 1 DIBBS-RFPs
5305-00-551-4842 2013-09-03 1 DIBBS-RFPs
5305-00-551-4842 2012-03-16 191 DIBBS
5305-00-551-4842 2012-02-22 231 DIBBS
5305-00-551-4842 2012-01-18 244 DIBBS
5305-00-551-4842 2011-11-08 348 DIBBS

Cross Reference | NSN 5305-00-551-4842

Part Number Cage Code Manufacturer
11905-4L11 59563 REID PRODUCTS INC. DBA REID PRODUCTS
HT4025L4-11 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
HT4025L4-11 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4025L4-11 0PTK6 SPS TECHNOLOGIES INC
HT4025L4-11 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
HT4025L4-11 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
HT4025L4-11 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
HT4025L4-11 73197 HI-SHEAR CORPORATION
HT4025L4-11 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
HT4025L4-11 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4025L4-11 97928 HUCK INTL INC
HT4025L4-11 C4293 ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT4025L4-11 K5673 SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4025L4-11 L4528 LISI AEROSPACE CANADA CORP
HT4025L4-4L11 R1120 SATAIR A/S
ST3M454-4L11 06710 VALLEY-TODECO, INC.
ST3M454-4L11 0ZC92 HEARTLAND PRECISION FASTENERS, INC.
ST3M454-4L11 1VSL7 HOUSTON PRECISION FASTENER L.L.C.
ST3M454-4L11 58998 EMHART TEKNOLOGIES LLC DBA FASTENER INNOVATION TECHNOLOGY
ST3M454-4L11 76301 BOEING COMPANY, THE DBA BOEING
WC4025-4-11 60516 WEST COAST AEROSPACE INC
WC4025L-4-11 60516 WEST COAST AEROSPACE INC

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Technical Data | NSN 5305-00-551-4842

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
FASTENER LENGTH 1.142 INCHES MINIMUM AND 1.172 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
GRIP LENGTH 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
GRIP DIAMETER 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-00-551-4842

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 KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5305-00-551-4842

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 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
Purchasing QTY
UOM
1
PG : Package
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 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
Purchasing QTY
UOM
1
PG : Package