Product Details | EXPANSION PLUG

5340-00-054-1421 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: 172642, 1A76427, 40205, 755S, 76427, 5340-00-054-1421, 00-054-1421, 5340000541421, 000541421

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-054-1421

Cross Reference | NSN 5340-00-054-1421

Part Number Cage Code Manufacturer
172642 24617 GENERAL MOTORS CORP
172642 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
1A76427 23382 FWD SEAGRAVE HOLDINGS, LP DIV FWD SEAGRAVE HOLDINGS, LP
40205 90346 GIBSON MFG CORP
755S 90346 GIBSON MFG CORP
76427 64104 DRESSER, INC. DIV DRESSER WAUKESHA
76427 71995 DRESSER INDUSTRIES INC WAUKESHA ENGINE DIV

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Technical Data | NSN 5340-00-054-1421

Characteristic Specifications
MATERIAL STEEL ASTM A108 COMP 1010
STYLE DESIGNATOR B4 CONCAVE
RADIUS 4.750 INCHES NOMINAL
OUTSIDE DIAMETER 2.875 INCHES NOMINAL
MATERIAL THICKNESS 0.083 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5340-00-054-1421

Category Code Description
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.
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 XX
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