Product Details | LOCKED IN STUD

5307-00-221-4954 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: KNNS428JMX-28-.81, KNNS428JMX2881, KNNS428MX2881, KNNS428MX28-81, 994652, 99-4652, 5307-00-221-4954, 00-221-4954, 5307002214954, 002214954

Hardware and Abrasives | Studs

Supply Group (FSG) NSN Assign. NIIN
53 09 JUL 1969 00-221-4954

Cross Reference | NSN 5307-00-221-4954

Part Number Cage Code Manufacturer
99-4652 99167 HAMILTON SUNDSTRAND CORPORATION
KNNS428JMX-28-.81 29372 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
KNNS428MX28-81 29372 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5307-00-221-4954

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL LENGTH 2.070 INCHES MINIMUM AND 2.150 INCHES MAXIMUM
THREAD SERIES DESIGNATOR UNF NUT THREAD UNC STUD THREAD
NOMINAL THREAD SIZE 0.250 INCHES NUT THREAD 0.375 INCHES STUD THREAD
THREAD CLASS 3A NUT THREAD 2A STUD THREAD
THREAD QUANTITY PER INCH 28 NUT THREAD 16 STUD THREAD
THREAD DIRECTION RIGHT-HAND NUT THREAD RIGHT-HAND STUD THREAD
THREAD LENGTH 0.790 INCHES NOMINAL NUT THREAD 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM STUD THREAD
LOCKING FEATURE KEY INSERTS
MANUFACTURERS CODE 99167
MFR SOURCE CONTROLLING REFERENCE 99-4652

Restrictions/Controls & Freight Information | NSN 5307-00-221-4954

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:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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
NMF Description 093470 BOLTS/NUTS I/S
Less than car load rating Q 70
Less than truck load rating Q 70.0
Water commodity Code 573 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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