Product Details | LOCKED IN STUD

5307-01-278-2075 A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. It is designed to be locked in place by either a RING, LOCK, SERRATED or a RING, LOCK, KEYED.

Part Alternates: MS51834A10513, MS51834A105-13, NASM51834, 5307-01-278-2075, 01-278-2075, 5307012782075, 012782075

Hardware and Abrasives | Studs

Supply Group (FSG) NSN Assign. NIIN
53 03 MAY 1988 01-278-2075

Drawings & Photos | NSN 5307-01-278-2075


Demand History | NSN 5307-01-278-2075

Part Number Request Date QTY Origin
MS51834A10513 2019-03-87 50 US
5307-01-278-2075 2016-07-206 7 DIBBS
5307-01-278-2075 2015-11-334 40 US

Cross Reference | NSN 5307-01-278-2075

Part Number Cage Code Manufacturer
MS51834A105-13 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS51834A105-13 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NASM51834 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5307-01-278-2075

Characteristic Specifications
MATERIAL IRON ALLOY 660
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENT PASSIVATE OVERALL
STYLE DESIGNATOR 39 LOCKED IN
DISTANCE FROM END OF STUD END THREADS TO NUT END 0.782 INCHES MINIMUM AND 0.842 INCHES MAXIMUM
OVERALL LENGTH 1.312 INCHES NOMINAL
THREAD SERIES DESIGNATOR UNJC NUT THREAD UNC STUD THREAD
NOMINAL THREAD SIZE 0.375 INCHES NUT THREAD 0.562 INCHES STUD THREAD
THREAD CLASS 3A NUT THREAD 2A STUD THREAD
THREAD QUANTITY PER INCH 16 NUT THREAD 12 STUD THREAD
THREAD DIRECTION RIGHT-HAND NUT THREAD RIGHT-HAND STUD THREAD
THREAD LENGTH 0.610 INCHES MINIMUM AND 0.670 INCHES MAXIMUM NUT THREAD 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM STUD THREAD
LOCKING FEATURE KEY INSERTS
III SURFACE FINISH 32.0 MICROINCHES NUT THD 63.0 MICROINCHES SHANK 63.0 MICROINCHES STUD THD

Restrictions/Controls & Freight Information | NSN 5307-01-278-2075

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.
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 KH Defense Industrial Supply Center
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 5307-01-278-2075

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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