PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44583Valve,relief,pressure and Temper

Sullair Corp · NSN 4820-01-077-1095 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-077-1095 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-077-1095. Primary manufacturer part number: 44583.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • Furnished Items: WASHER
  • End Connection Quantity: 1
  • First End Nominal Thread Size: 1.500 INCHES IN
  • First End Connection Type: THREADED EXTERNAL TUBE
  • Temp Rating: 155.0 FAHRENHEIT DEGF
  • First End Outside Diameter Tube Accommodated: 1.500 INCHES NOMINAL IN
  • First End Thread Series Designator: UNEF
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-077-1095, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sullair Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-077-1095
Primary Part Number44583
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSullair Corp
StatusACTIVE
Furnished ItemsWASHER
End Connection Quantity1
First End Nominal Thread Size1.500 INCHES IN
First End Connection TypeTHREADED EXTERNAL TUBE
Temp Rating155.0 FAHRENHEIT DEGF
First End Outside Diameter Tube Accommodated1.500 INCHES NOMINAL IN
First End Thread Series DesignatorUNEF
First End Thread DirectionRIGHT-HAND
First End Thread Class3A A
First End Style DesignatorPLAIN
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2520-00-163-241710997 INTERCHANGEABLE
Fork
Komatsu America Corporation
5365-00-398-7242307B INTERCHANGEABLE
Spacer,sleeve
Frederick Custom Machining Inc
2805-00-740-2247 INTERCHANGEABLE
Thermostat,intake E
5965-00-799-5490241-900-003-603 INTERCHANGEABLE
Microphone Element
Roanwell, Llc
6920-00-980-907644583 INTERCHANGEABLE
Relay Driver
L3harris Technologies, Inc. Div Space and Airborne Systems
8040-01-151-754621426 INTERCHANGEABLE
Adhesive
Loctite Corp
3020-01-152-879610997 INTERCHANGEABLE
Gear,ring
DP Manufacturing Inc.
5920-01-241-760844-583 INTERCHANGEABLE
Fuse
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5305-01-332-630219A702381P520 INTERCHANGEABLE
Screw,tapping
General Electric Co Mobile Communications Business Div
4820-01-465-2431 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
10997 Scovill Inc (USA)
44583 PRIMARY Sullair Corp (USA)
Related Parts
2520-00-163-2417INTERCHANGEABLE
FORK
10997
5365-00-398-7242INTERCHANGEABLE
SPACER,SLEEVE
307B
2805-00-740-2247INTERCHANGEABLE
THERMOSTAT,INTAKE E
5965-00-799-5490INTERCHANGEABLE
MICROPHONE ELEMENT
241-900-003-603
6920-00-980-9076INTERCHANGEABLE
RELAY DRIVER
44583
8040-01-151-7546INTERCHANGEABLE
ADHESIVE
21426
3020-01-152-8796INTERCHANGEABLE
GEAR,RING
10997
5920-01-241-7608INTERCHANGEABLE
FUSE
44-583
5305-01-332-6302INTERCHANGEABLE
SCREW,TAPPING
19A702381P520
4820-01-465-2431INTERCHANGEABLE
VALVE,CHECK
5130-01-534-7063INTERCHANGEABLE
MANDREL,RIVETER,BLIND
10997

Frequently Asked Questions

What is NSN 4820-01-077-1095?

NSN 4820-01-077-1095 is a Valve,relief,pressure and Temper, manufactured by Sullair Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-077-1095?

NSN 4820-01-077-1095 has 2 cross-referenced part numbers: 10997 (Scovill Inc), 44583 (Sullair Corp).

What NSN replaces 4820-01-077-1095?

There are 11 known substitutes for 4820-01-077-1095: 2520-00-163-2417, 5365-00-398-7242, 2805-00-740-2247 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44583?

Key specifications for 44583: Furnished Items: WASHER; End Connection Quantity: 1; First End Nominal Thread Size: 1.500 INCHES IN; First End Connection Type: THREADED EXTERNAL TUBE. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com