PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45137Valve,regulating,system Pressure

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4820-01-521-1341 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-521-1341 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-521-1341. Primary manufacturer part number: 45137.
Features
  • Valve,regulating,system Pressure — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-521-1341, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-521-1341
Primary Part Number45137
Item NameValve,regulating,system Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-00-232-9046 INTERCHANGEABLE
Cutter,milling,side
6150-01-232-158345137 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Unison Industries Llc
Cross-Reference Index
Part NumberManufacturer
45137 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
SVS4060RVXSPG Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. (USA)
Related Parts
3455-00-232-9046INTERCHANGEABLE
CUTTER,MILLING,SIDE
6150-01-232-1583INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
45137

Frequently Asked Questions

What is NSN 4820-01-521-1341?

NSN 4820-01-521-1341 is a Valve,regulating,system Pressure, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-521-1341?

NSN 4820-01-521-1341 has 2 cross-referenced part numbers: 45137 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), SVS4060RVXSPG (Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.).

What NSN replaces 4820-01-521-1341?

There are 2 known substitutes for 4820-01-521-1341: 3455-00-232-9046, 6150-01-232-1583. Verify interchangeability with system specifications before substitution.

What are the specifications of 45137?

Key specifications for 45137: End Item Identification: F-15 AIRCRAFT SUPPORT EQUIPMENT; Part Name Assigned by Controlling Agency: VALVE, BYPASS V3. 2 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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