Product Details | FLUID FLOW RESTRICTOR

4730-00-477-7938 An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes items such as VALVE (1), (as modified); and others with an adjustable orifice. Excludes pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see RESTRICTOR UNIT, FLUID FLOW.

Part Alternates: P401150, P401-150, P401150060, P401-150-060 , P401, 4730-00-477-7938, 00-477-7938, 4730004777938, 004777938

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

Supply Group (FSG) NSN Assign. NIIN
47 16 MAY 1969 00-477-7938

Demand History | NSN 4730-00-477-7938

Part Number Request Date QTY Origin
4730-00-477-7938 2026-01-26 1 United States
4730-00-477-7938 2026-01-12 438 DIBBS
4730-00-477-7938 2025-09-251 2 PK
4730-00-477-7938 2025-07-208 251 DIBBS
4730-00-477-7938 2024-10-305 251 DIBBS
4730-00-477-7938 2024-02-58 124 DIBBS
4730-00-477-7938 2021-02-46 79 DIBBS
4730-00-477-7938 2019-04-111 74 DIBBS
4730-00-477-7938 2019-02-45 48 DIBBS
4730-00-477-7938 2018-01-15 80 DIBBS
4730-00-477-7938 2013-07-202 44 DIBBS
4730-00-477-7938 2013-06-156 33 DIBBS
4730-00-477-7938 2012-09-260 43 DIBBS
4730-00-477-7938 2012-01-19 48 US
4730-00-477-7938 2011-11-308 48 DIBBS
4730-00-477-7938 2011-02-34 27 DIBBS
4730-00-477-7938 2010-12-351 4 DIBBS
4730-00-477-7938 2010-10-294 2 DIBBS

Cross Reference | NSN 4730-00-477-7938

Part Number Cage Code Manufacturer
P401 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
P401-150-060 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 4730-00-477-7938

Characteristic Specifications
MATERIAL PLASTIC
DESIGN TYPE TUBULAR
THREAD PROVISION UNTHREADED
OUTSIDE DIAMETER 1.559 INCHES NOMINAL
LENGTH 0.500 INCHES NOMINAL
ORIFICE DIAMETER 1.355 INCHES NOMINAL
MANUFACTURERS CODE 81755
DESIGN CONTROL REFERENCE P401-150

Restrictions/Controls & Freight Information | NSN 4730-00-477-7938

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: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.
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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating S 60
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code TA Sacramento Air Logistics Center
McClellan AFB, CA 95652-5609
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4730-00-477-7938

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeWFSU:F-16 AIR COMBAT FIGHTER
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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