PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7140Valve,relief,pressure and Temper

Hydro Engineering Innovation, Llc · NSN 4820-01-559-0157 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-559-0157 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-559-0157. Primary manufacturer part number: 7140.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Hydro Engineering Innovation, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-559-0157, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydro Engineering Innovation, Llc. 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
NSN4820-01-559-0157
Primary Part Number7140
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHydro Engineering Innovation, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-192-65560165-7 INTERCHANGEABLE
Terminal Board
Lockheed Martin Corporation Div Rms - Mitchel Field
2910-00-358-5101 INTERCHANGEABLE
Pin
5935-00-401-57587140 INTERCHANGEABLE
Connector,plug,electrical
Mag Aerospace Industries, Llc Div Safran Cabins
2815-00-555-5933 INTERCHANGEABLE
Ring Set,piston
5310-00-579-46547140 INTERCHANGEABLE
Washer,lock
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5998-00-936-2632 INTERCHANGEABLE
Circuit Card Assembly
5940-00-983-6048 INTERCHANGEABLE
Terminal Board
5995-00-995-56897140 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Spencer Industries Inc
4810-01-210-026735A-AAA-DABA-1CM INTERCHANGEABLE
Valve,solenoid
Edro Corporation, the Dba Edro Corp
5306-01-237-684412354223 INTERCHANGEABLE
Bolt,ribbed Shoulder
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
7140 Hydro Engineering Innovation, Llc (USA)
1AO900 Hydro Engineering Innovation, Llc (USA)
Related Parts
5940-00-192-6556INTERCHANGEABLE
TERMINAL BOARD
0165-7
2910-00-358-5101INTERCHANGEABLE
PIN
5935-00-401-5758INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7140
2815-00-555-5933INTERCHANGEABLE
RING SET,PISTON
5310-00-579-4654INTERCHANGEABLE
WASHER,LOCK
7140
5998-00-936-2632INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5940-00-983-6048INTERCHANGEABLE
TERMINAL BOARD
5995-00-995-5689INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
7140
4810-01-210-0267INTERCHANGEABLE
VALVE,SOLENOID
35A-AAA-DABA-1CM
5306-01-237-6844INTERCHANGEABLE
BOLT,RIBBED SHOULDER
12354223
5340-01-656-6804INTERCHANGEABLE
HUB,BODY
71-40
5925-01-665-3810INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 4820-01-559-0157?

NSN 4820-01-559-0157 is a Valve,relief,pressure and Temper, manufactured by Hydro Engineering Innovation, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-559-0157?

NSN 4820-01-559-0157 has 2 cross-referenced part numbers: 7140 (Hydro Engineering Innovation, Llc), 1AO900 (Hydro Engineering Innovation, Llc).

What NSN replaces 4820-01-559-0157?

There are 12 known substitutes for 4820-01-559-0157: 5940-00-192-6556, 2910-00-358-5101, 5935-00-401-5758 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7140?

Key specifications for 7140: End Item Identification: 5/3000 GHOTT/M PRESSURE WASHER. 1 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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