Product Details | PIPE FLANGE

4730-01-153-1521 An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes FLANGE, PIPE, BLIND; FERRULE, GROOVED CLAMP COUPLING; and ADAPTER (as modified).

Part Alternates: 299997-101, 4730-01-153-1521, 01-153-1521, 4730011531521, 299997101, 011531521

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

Supply Group (FSG) NSN Assign. NIIN
47 13 MAY 1983 01-153-1521

Drawings & Photos | NSN 4730-01-153-1521


Demand History | NSN 4730-01-153-1521

Part Number Request Date QTY Origin
299997-101 2025-12-339 15 DIBBS
299997-101 2025-12-338 3 DIBBS
299997-101 2025-11-327 3 DIBBS
299997-101 2025-11-315 15 DIBBS
299997-101 2025-10-299 15 DIBBS
299997-101 2025-10-293 3 DIBBS
299997-101 2025-10-282 3 DIBBS
299997-101 2025-05-139 3 DIBBS
299997-101 2025-05-128 3 DIBBS
299997-101 2022-08-223 5 DIBBS
299997-101 2021-10-284 6 DIBBS
299997-101 2021-08-227 4 DIBBS
299997-101 2020-10-294 3 DIBBS
299997-101 2019-05-136 5 DIBBS
4730-01-153-1521 2018-04-106 3 DIBBS
4730-01-153-1521 2018-04-95 3 DIBBS
4730-01-153-1521 2018-02-39 4 DIBBS
4730-01-153-1521 2017-03-89 3 DIBBS
4730-01-153-1521 2016-02-41 4 DIBBS
4730-01-153-1521 2016-01-18 1 DIBBS
4730-01-153-1521 2015-11-319 1 DIBBS
4730-01-153-1521 2015-10-287 1 DIBBS
4730-01-153-1521 2015-10-287 1 DIBBS
4730-01-153-1521 2015-09-273 1 DIBBS
4730-01-153-1521 2015-09-273 1 DIBBS
4730-01-153-1521 2015-09-256 2 DIBBS
4730-01-153-1521 2015-08-216 1 DIBBS
4730-01-153-1521 2015-07-203 1 DIBBS
4730-01-153-1521 2013-10-297 4 DIBBS
4730-01-153-1521 2009-04-107 6 DIBBS
4730-01-153-1521 2009-02-51 5 DIBBS

Cross Reference | NSN 4730-01-153-1521

Part Number Cage Code Manufacturer
299997-101 18444 OIL STATES INDUSTRIES, INC DBA SPECIAL PRODUCTS DIV
299997-101 27826 EDWARDS AEROSPACE INC

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Technical Data | NSN 4730-01-153-1521

Characteristic Specifications
MATERIAL NICKEL ALLOY
STYLE DESIGNATOR 1 ROUND, ONE BOLT HOLE CIRCLE
BOLT CIRCLE DIAMETER 7.125 INCHES NOMINAL
FLANGE DIAMETER 8.625 INCHES NOMINAL
BOLT HOLE DIAMETER 0.685 INCHES NOMINAL
BOLT HOLE QUANTITY 10
FLANGE SECTION STYLE 4 PLAIN FACE, RAISED NECK
THICKNESS 1.415 INCHES NOMINAL
NECK HEIGHT 0.758 INCHES NOMINAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED 4.000 INCHES
SCREW THREAD SERIES DESIGNATOR UN
NOMINAL THREAD SIZE 4.000 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 2B
FACE SEATING SURFACE CONDITION MACHINED
GROOVE CROSS-SECTIONAL SHAPE RECTANGULAR
GROOVE DEPTH 0.108 INCHES NOMINAL
GROOVE WIDTH 0.190 INCHES NOMINAL
GROOVE PITCH DIAMETER 4.685 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 4730-01-153-1521

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 051450 PIPE FITTINGS CUPRO NICKEL/COPPER
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4730-01-153-1521

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each