PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37389Valve,safety Relief

Mid-America Aerotech, Llc · NSN 4820-01-023-3072 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-023-3072 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-023-3072. Primary manufacturer part number: 37389.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Valve Operation Method: AUTOMATIC
  • Connection Style: FLARED (TUBE) FIRST END
  • Maximum Operating Temp: 375.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Disk Loading Method: SPRING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-023-3072, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-023-3072
Primary Part Number37389
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Valve Operation MethodAUTOMATIC
Connection StyleFLARED (TUBE) FIRST END
Maximum Operating Temp375.0 FAHRENHEIT SINGLE RESPONSE DEGF
Style DesignatorSTRAIGHT THRU
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Disk Loading MethodSPRING
Flow Control DevicePOPPET
MaterialALUMINUM ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5355-00-538-6387 INTERCHANGEABLE
Window,dial
5365-01-098-601945351 INTERCHANGEABLE
Plug,machine Thread
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2840-01-159-020337389 INTERCHANGEABLE
Elbow,gearbox
Williams International Co., L.l.c.
3040-01-544-818137389 INTERCHANGEABLE
Head,linear Actuating Cylinder
Fascan International, Inc.
Cross-Reference Index
Part NumberManufacturer
37389 PRIMARY Mid-America Aerotech, Llc (USA)
37389 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
37389 E-Systems Inc Montek Div Fluid Controls Opns (USA)
37389 Moog Inc (USA)
Related Parts
5355-00-538-6387INTERCHANGEABLE
WINDOW,DIAL
5365-01-098-6019INTERCHANGEABLE
PLUG,MACHINE THREAD
45351
2840-01-159-0203INTERCHANGEABLE
ELBOW,GEARBOX
37389
3040-01-544-8181INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
37389

Frequently Asked Questions

What is NSN 4820-01-023-3072?

NSN 4820-01-023-3072 is a Valve,safety Relief, manufactured by Mid-America Aerotech, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-023-3072?

NSN 4820-01-023-3072 has 4 cross-referenced part numbers: 37389 (Mid-America Aerotech, Llc), 37389 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 37389 (E-Systems Inc Montek Div Fluid Controls Opns), 37389 (Moog Inc).

What NSN replaces 4820-01-023-3072?

There are 4 known substitutes for 4820-01-023-3072: 5355-00-538-6387, 5365-01-098-6019, 2840-01-159-0203 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37389?

Key specifications for 37389: Connection Type: THREADED EXTERNAL TUBE FIRST END; Valve Operation Method: AUTOMATIC; Connection Style: FLARED (TUBE) FIRST END; Maximum Operating Temp: 375.0 FAHRENHEIT SINGLE RESPONSE DEGF. 9 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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