Product Details | EXPANSION PLUG

5340-00-472-2958 A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

Part Alternates: 10161582, 5340-00-472-2958, 00-472-2958, 5340004722958, 004722958

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 09 MAR 1972 00-472-2958

Cross Reference | NSN 5340-00-472-2958

Part Number Cage Code Manufacturer
10161582 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 5340-00-472-2958

Characteristic Specifications
MATERIAL STEEL,STD 66,AISI OR SAE 1008-1022
SURFACE TREATMENT CADMIUM,QQ-P-416 TYPE 2,CLASS 2
STYLE DESIGNATOR B4 CONCAVE
RADIUS 1.078 INCHES MINIMUM AND 1.109 INCHES MAXIMUM
OUTSIDE DIAMETER 0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM
MATERIAL THICKNESS 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 10161582

Restrictions/Controls & Freight Information | NSN 5340-00-472-2958

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
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 095190 HARDWARE, NOI SUB 9
Less than car load rating Q 70
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code BD U.S. Army Aviation and Missile Command
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