PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-00087Valve,safety Relief

Trinity Tool Co Div Trinco Trinity Tool Company · NSN 4820-01-186-8659 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-186-8659 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-186-8659. Primary manufacturer part number: 2-00087.
Features
  • Valve,safety Relief — FSC 4820
  • Media for Which Designed: AIR SINGLE RESPONSE
  • Material: ALUMINUM BODY
  • Opening Pressure Setting: 80.0 POUNDS PER SQUARE INCH80.0 POUNDS PER SQUARE INCH LBS
  • Valve Operation Method: AUTOMATICAUTOMATIC
  • 2 verified cross-references
  • Primary manufacturer: Trinity Tool Co Div Trinco Trinity Tool Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-186-8659, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trinity Tool Co Div Trinco Trinity Tool Company. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-01-186-8659
Primary Part Number2-00087
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrinity Tool Co Div Trinco Trinity Tool Company
StatusACTIVE
Media for Which DesignedAIR SINGLE RESPONSE
MaterialALUMINUM BODY
Opening Pressure Setting80.0 POUNDS PER SQUARE INCH80.0 POUNDS PER SQUARE INCH LBS
Valve Operation MethodAUTOMATICAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-008-8405200087 INTERCHANGEABLE
Transistor
Astronics Test Systems Inc
4730-00-288-9513 INTERCHANGEABLE
Coupling,clamp,pipe
5355-00-667-5538 INTERCHANGEABLE
Knob
1650-00-850-47028937 INTERCHANGEABLE
Tube Subassembly Se
Hawker Pacific Aerospace
4730-00-851-194011024334 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center
5960-01-005-1192 INTERCHANGEABLE
Electron Tube
5360-01-025-17168187 INTERCHANGEABLE
Spring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4320-01-379-9227200087-701 INTERCHANGEABLE
Pump,rotary
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
2530-01-436-7011 INTERCHANGEABLE
Retainer,arm Bushing
6680-01-466-8765200087 INTERCHANGEABLE
Indicator,sight,liquid
Champion Industries Inc.
Cross-Reference Index
Part NumberManufacturer
2-00087 PRIMARY Trinity Tool Co Div Trinco Trinity Tool Company (USA)
8187 Trinity Tool Co Div Trinco Trinity Tool Company (USA)
Related Parts
5961-00-008-8405INTERCHANGEABLE
TRANSISTOR
200087
4730-00-288-9513INTERCHANGEABLE
COUPLING,CLAMP,PIPE
5355-00-667-5538INTERCHANGEABLE
KNOB
1650-00-850-4702INTERCHANGEABLE
TUBE SUBASSEMBLY SE
8937
4730-00-851-1940INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
11024334
5960-01-005-1192INTERCHANGEABLE
ELECTRON TUBE
5360-01-025-1716INTERCHANGEABLE
SPRING
8187
4320-01-379-9227INTERCHANGEABLE
PUMP,ROTARY
200087-701
2530-01-436-7011INTERCHANGEABLE
RETAINER,ARM BUSHING
6680-01-466-8765INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
200087
5310-01-494-0276INTERCHANGEABLE
WASHER,FLAT
5325-01-494-0539INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 4820-01-186-8659?

NSN 4820-01-186-8659 is a Valve,safety Relief, manufactured by Trinity Tool Co Div Trinco Trinity Tool Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-186-8659?

NSN 4820-01-186-8659 has 2 cross-referenced part numbers: 2-00087 (Trinity Tool Co Div Trinco Trinity Tool Company), 8187 (Trinity Tool Co Div Trinco Trinity Tool Company).

What NSN replaces 4820-01-186-8659?

There are 12 known substitutes for 4820-01-186-8659: 5961-00-008-8405, 4730-00-288-9513, 5355-00-667-5538 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-00087?

Key specifications for 2-00087: Media for Which Designed: AIR SINGLE RESPONSE; Material: ALUMINUM BODY; Opening Pressure Setting: 80.0 POUNDS PER SQUARE INCH80.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATICAUTOMATIC. 4 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