Secure Ordering: +1 (757) 528-8028
NationalStockNumber.info
NationalStockNumber.INFO

Worldwide distributor of NSN parts and consumables located in the USA.

Safety Relief Valve

Model / MPN: 9861001 | NSN: 4820-00-816-4488
ITAR Registered seal

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Product Details
NATO Stock Number
4820-00-816-4488
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
9.0 pounds per hour
Connection Style
G42 flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Features Provided
Valve stem lock shield
Thready Qty Per Inch (tpi)
20 1st end
Adjustable Pressure Range
+3250.0/+3500.0 pounds per square inch
Maximum Operating Pressure
3500.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
3500.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Aluminum alloy body
Material
Aluminum alloy seat
Material
Stainless steel flow control device
Media For Which Designed
Air single response
Surface Treatment
Anodize
Supplementary Features
Used on all f-4 aircraft
Test Data Document
76050-mc1603 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator
Unf 1st end
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M115TAP05 Valve, Safety Relief 8 EA 09/14/2015
SPE7MC17TA070 Valve, Safety Relief 4 EA 02/17/2017
SPE7MC17TC651 Valve, Safety Relief 11 EA 03/13/2017
SPE7MC17TF997 Valve, Safety Relief 13 EA 04/17/2017
SPE7MC17TP911 Valve, Safety Relief 3 EA 07/13/2017
SPE7MC17TS542 Valve, Safety Relief 7 EA 08/28/2017
SPE7MC18T6922 Valve, Safety Relief 3 EA 03/15/2018

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Qty:
Email Address:
Phone Number:
Your name:
Company:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping
9861001 Cross Reference
  • MC1603-3501
  • MC1603-3501