PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200000-1Valve,safety Relief

Adams Rite Aerospace, Inc · NSN 4820-01-198-2741 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-198-2741 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-198-2741. Primary manufacturer part number: 200000-1.
Features
  • Valve,safety Relief — FSC 4820
  • Valve Discharge Flow Rate: 56.0 GALLONS PER MINUTE
  • Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
  • Thread Quantity Per Inch: 16 ALL ENDS
  • Connection Type: THREADED EXTERNAL BOSS ALL ENDS
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Seat Angle: 37.0 DEGREES ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-198-2741, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Adams Rite Aerospace, Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4820-01-198-2741
Primary Part Number200000-1
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAdams Rite Aerospace, Inc
StatusACTIVE
Valve Discharge Flow Rate56.0 GALLONS PER MINUTE
Style DesignatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Thread Quantity Per Inch16 ALL ENDS
Connection TypeTHREADED EXTERNAL BOSS ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Nominal Thread Size0.750 INCHES ALL ENDS IN
Seat Angle37.0 DEGREES ALL ENDS
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
Thread Series DesignatorUNIFIED NATIONAL JOINT (UNJ) ALL ENDS
Thread Class3A ALL ENDS A
Valve Operation MethodAUTOMATIC
Opening Pressure Setting43.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-127-6407200000 INTERCHANGEABLE
Oscillator Subassembly
Dranetz Technologies Inc
4510-00-389-7096 INTERCHANGEABLE
Float,valve
4120-00-690-5556 INTERCHANGEABLE
Air Conditioner
5960-00-869-2853200-000 INTERCHANGEABLE
Electron Tube
Cmc Electronics Inc
5985-01-036-2468230005 INTERCHANGEABLE
Circulator,radio Frequency
Renaissance Electronics & Communications, Llc
3990-01-139-9734 INTERCHANGEABLE
Compacting Unit,refuse,stationar
5961-01-255-0053 INTERCHANGEABLE
Transistor
5945-01-266-7667200000 INTERCHANGEABLE
Relay,electromagnetic
Gruenberg Oven Company
5998-01-294-7912200001 INTERCHANGEABLE
Circuit Card Assembly
Force Computers Inc.
4820-01-303-1154200.0001 INTERCHANGEABLE
Seat,valve
Woma Corporation
Cross-Reference Index
Part NumberManufacturer
200000-1 Sabre Industries Inc (USA)
200000 Sabre Industries Inc (USA)
200000-1 PRIMARY Adams Rite Aerospace, Inc (USA)
Related Parts
6625-00-127-6407INTERCHANGEABLE
OSCILLATOR SUBASSEMBLY
200000
4510-00-389-7096INTERCHANGEABLE
FLOAT,VALVE
4120-00-690-5556INTERCHANGEABLE
AIR CONDITIONER
5960-00-869-2853INTERCHANGEABLE
ELECTRON TUBE
200-000
5985-01-036-2468INTERCHANGEABLE
CIRCULATOR,RADIO FREQUENCY
230005
3990-01-139-9734INTERCHANGEABLE
COMPACTING UNIT,REFUSE,STATIONAR
5961-01-255-0053INTERCHANGEABLE
TRANSISTOR
5945-01-266-7667INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
200000
5998-01-294-7912INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
200001
4820-01-303-1154INTERCHANGEABLE
SEAT,VALVE
200.0001
4420-01-341-3858INTERCHANGEABLE
CORE ASSEMBLY,FLUID COOLER
20 000-0NUMBER 40
6550-01-345-2883INTERCHANGEABLE
REFERENCE STANDARD,COAGULATION C
200000

Frequently Asked Questions

What is NSN 4820-01-198-2741?

NSN 4820-01-198-2741 is a Valve,safety Relief, manufactured by Adams Rite Aerospace, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-198-2741?

NSN 4820-01-198-2741 has 3 cross-referenced part numbers: 200000-1 (Sabre Industries Inc), 200000 (Sabre Industries Inc), 200000-1 (Adams Rite Aerospace, Inc).

What NSN replaces 4820-01-198-2741?

There are 12 known substitutes for 4820-01-198-2741: 6625-00-127-6407, 4510-00-389-7096, 4120-00-690-5556 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200000-1?

Key specifications for 200000-1: Valve Discharge Flow Rate: 56.0 GALLONS PER MINUTE; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.; Thread Quantity Per Inch: 16 ALL ENDS; Connection Type: THREADED EXTERNAL BOSS ALL ENDS. 12 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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