Product Details | SHOULDER SCREW

5305-00-973-1048 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Part Alternates: A51M4252411, A51M42524-11, 5305-00-973-1048, 00-973-1048, 5305009731048, 009731048

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 14 MAY 1972 00-973-1048

Drawings & Photos | NSN 5305-00-973-1048


Cross Reference | NSN 5305-00-973-1048

Part Number Cage Code Manufacturer
A51M42524-11 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
A51M42524-11 2T918 ALCO MACHINE CO INC
A51M42524-11 61174 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
A51M42524-11 65777 HOWE MACHINE & TOOL CORP.
A51M42524-11 8P689 TENS MACHINE COMPANY, INC.

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Technical Data | NSN 5305-00-973-1048

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 0.312 INCHES MAXIMUM
FASTENER LENGTH 1.923 INCHES MINIMUM AND 1.943 INCHES MAXIMUM
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION GM1010 FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM AND CHROMIUM GRIP CADMIUM THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-8837 TY 2 CL 1 1 MIL SPEC SINGLE TREATMENT RESPONSE AND QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.500 INCHES NOMINAL
HEAD HEIGHT 0.100 INCHES NOMINAL
INTERNAL DRIVE STYLE D14 SLOT
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.281 INCHES MINIMUM AND 0.282 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 1.611 INCHES MINIMUM AND 1.631 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.823 INCHES MINIMUM AND 1.843 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.071 INCHES MINIMUM AND 0.076 INCHES MAXIMUM FIRST HOLE
TEST DATA DOCUMENT 81349-MIL-I-6868 SPECIFICATION
MANUFACTURERS CODE 61174
DESIGN CONTROL REFERENCE A51M42524-11

Restrictions/Controls & Freight Information | NSN 5305-00-973-1048

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 KE Naval ICP
Philadelphia, PA 19111
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 5305-00-973-1048

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each