PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8730Valve,check

Circor Aerospace, Inc. Div Circor · NSN 4820-01-007-0535 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-007-0535 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-007-0535. Primary manufacturer part number: 8730.
Features
  • Valve,check — FSC 4820
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Style Designator: STRAIGHT THRU
  • Flow Control Device: BALL
  • FSC Application Data: LANDING GEAR
  • Disk Loading Method: WEIGHT
  • Valve Operation Method: AUTOMATIC
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-007-0535, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Div Circor. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-007-0535
Primary Part Number8730
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Div Circor
StatusACTIVE
Mounting PositionHORIZONTAL OR VERTICAL
Style DesignatorSTRAIGHT THRU
Flow Control DeviceBALL
FSC Application DataLANDING GEAR
Disk Loading MethodWEIGHT
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-118-23368760 INTERCHANGEABLE
Seat,helical Compression Spring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
6240-00-155-7896760 INTERCHANGEABLE
Lamp,incandescent
Big Beam Emergency Systems, Inc Div Siltron Emergency Systems
4730-00-336-6400 INTERCHANGEABLE
Strainer,sediment
2990-00-341-4064T-8730 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5950-00-421-2977154354 INTERCHANGEABLE
Saturable Reactor
Raytheon Company Dba Raytheon Co
5950-00-503-5411 INTERCHANGEABLE
Reactor
5910-00-583-4825 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
6145-00-813-4459 INTERCHANGEABLE
Cable,special Purpose,electrical
5930-01-048-7556 INTERCHANGEABLE
Switch,push
2040-01-104-1360 INTERCHANGEABLE
Drain Plug,hull
Cross-Reference Index
Part NumberManufacturer
8760 Coltec Industries Inc Menasco Aerosystems Div California Opn (USA)
8730 PRIMARY Circor Aerospace, Inc. Div Circor (USA)
8730 Goodrich Corp Dba Goodrich Corp (USA)
Related Parts
5340-00-118-2336INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
8760
6240-00-155-7896INTERCHANGEABLE
LAMP,INCANDESCENT
760
4730-00-336-6400INTERCHANGEABLE
STRAINER,SEDIMENT
2990-00-341-4064INTERCHANGEABLE
MUFFLER,EXHAUST
T-8730
5950-00-421-2977INTERCHANGEABLE
SATURABLE REACTOR
154354
5950-00-503-5411INTERCHANGEABLE
REACTOR
5910-00-583-4825INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
6145-00-813-4459INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5930-01-048-7556INTERCHANGEABLE
SWITCH,PUSH
2040-01-104-1360INTERCHANGEABLE
DRAIN PLUG,HULL
6505-01-149-3138INTERCHANGEABLE
MINERAL INJECTION,TRACE ELEMENTS
9390-01-282-9948INTERCHANGEABLE
TAPE,REFLECTIVE

Frequently Asked Questions

What is NSN 4820-01-007-0535?

NSN 4820-01-007-0535 is a Valve,check, manufactured by Circor Aerospace, Inc. Div Circor, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-007-0535?

NSN 4820-01-007-0535 has 3 cross-referenced part numbers: 8760 (Coltec Industries Inc Menasco Aerosystems Div California Opn), 8730 (Circor Aerospace, Inc. Div Circor), 8730 (Goodrich Corp Dba Goodrich Corp).

What NSN replaces 4820-01-007-0535?

There are 12 known substitutes for 4820-01-007-0535: 5340-00-118-2336, 6240-00-155-7896, 4730-00-336-6400 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8730?

Key specifications for 8730: Mounting Position: HORIZONTAL OR VERTICAL; Style Designator: STRAIGHT THRU; End Item Identification: ACFT,TYPE T-38; Flow Control Device: BALL. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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