Product Details | PIPE TEE

4730-00-542-5257 A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have standard pipe threads or 1s unthreaded and designed to accommodate a pipe. It may have side inlet(s). It is used as a junction at the intersection of pipe or pipe fittings.

Part Alternates: M1183/9-111A, M11839111A, CS4730012423EJMN, CS4730-012423EJMN, MILF1183, MIL-F-1183, 4730-00-542-5257, 00-542-5257, 4730005425257, 005425257

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-542-5257

Drawings & Photos | NSN 4730-00-542-5257


Demand History | NSN 4730-00-542-5257

Part Number Request Date QTY Origin
4730-00-542-5257 2025-08-231 8 DIBBS
4730-00-542-5257 2025-08-217 8 US
4730-00-542-5257 2025-08-216 8 DIBBS
4730-00-542-5257 2024-08-225 23 DIBBS
4730-00-542-5257 2023-08-221 60 DIBBS
4730-00-542-5257 2023-07-206 60 DIBBS
4730-00-542-5257 2022-05-129 76 DIBBS
4730-00-542-5257 2021-05-143 3 DIBBS
4730-00-542-5257 2021-05-132 17 DIBBS
4730-00-542-5257 2021-03-74 32 DIBBS
MILF1183 2019-03-63 8 US
4730-00-542-5257 2017-08-220 50 DIBBS
MILF1183 2017-05-137 1 United States
4730-00-542-5257 2015-10-289 58 DIBBS
4730-00-542-5257 2015-10-278 58 DIBBS
4730-00-542-5257 2015-09-266 13 DIBBS
4730-00-542-5257 2010-12-351 48 DIBBS
MILF1183 2010-11-329 100 FR
4730-00-542-5257 2010-09-263 52 DIBBS
4730-00-542-5257 2010-08-229 35 DIBBS
4730-00-542-5257 2010-05-131 34 DIBBS
4730-00-542-5257 2010-01-12 27 DIBBS
4730-00-542-5257 2009-11-322 17 DIBBS
4730-00-542-5257 2009-10-293 10 DIBBS
4730-00-542-5257 2009-05-128 10 DIBBS
4730-00-542-5257 2009-03-89 29 DIBBS

Cross Reference | NSN 4730-00-542-5257

Part Number Cage Code Manufacturer
CS4730-012423EJMN 16236 DLA LAND AND MARITIME
M1183/9-111A 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-F-1183 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4730-00-542-5257

Characteristic Specifications
MATERIAL COPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH 1ST RESPONSE 400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 425.0 DEG FAHRENHEIT 1ST RESPONSE 150.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B42B SOCKET W/GROOVE ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 4.000 INCHES ALL ENDS
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED STANDARD ALL ENDS
LEG LENGTH 3.790 INCHES NOMINAL ALL ENDS
FURNISHED ITEMS AND QUANTITY 3 BRAZING RING
SPECIAL FEATURES GROOVED W/BRAZING RINGS PACKAGED SEPARATELY
SPECIFICATION/STANDARD DATA 81349-MIL-F-1183H GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA A TYPE
III END ITEM IDENTIFICATION 34N COMBAT SYSTEM SUPPORT EQUIPMENT
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-F-1183
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M1183/9-111A

Restrictions/Controls & Freight Information | NSN 4730-00-542-5257

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 052185 PIPE,TUBING,OR PIPE OR TUBING FIT
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 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

Management | NSN 4730-00-542-5257

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each