Product Details | CHECK VALVE

4820-01-448-5581 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: DAA3285P004, DAA3285P004101, DAA3285P004-101, 5678001, 56-7800-1, 4820-01-448-5581, 01-448-5581, 4820014485581, 014485581

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 SEP 1997 01-448-5581

Drawings & Photos | NSN 4820-01-448-5581


Cross Reference | NSN 4820-01-448-5581

Part Number Cage Code Manufacturer
56-7800-1 96736 SWEENEY ENGINEERING CORP
DAA3285P004 1W025 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
DAA3285P004-101 1W025 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE

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Technical Data | NSN 4820-01-448-5581

Characteristic Specifications
MATERIAL IRON ALLOY BODY STEEL COMP 321 FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE BODY QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 110.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 1100.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE B42 FLARED ALL ENDS
SEAT ANGLE 37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATOR UNJF ALL ENDS
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
END ITEM IDENTIFICATION AIRCRAFT, B-2 BOMBER

Restrictions/Controls & Freight Information | NSN 4820-01-448-5581

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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.
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
No Freight Information

Management | NSN 4820-01-448-5581

Category Code Description
Materiel Management Aggregation CodeBQTN:B-2 TSSP, NORTHROP GRUMMAN
Budget CodeS 1557X3010:Aircraft Replenishment Spares
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplyF59Northrop Grumman IS ACS
2501 Liberty Parkway, Suite 101
Midwest, OK 73110-2885
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative