PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7437048P1Valve,safety Relief

General Electric Company · NSN 4820-00-627-3995 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-627-3995 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-627-3995. Primary manufacturer part number: 7437048P1.
Features
  • Valve,safety Relief — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: General Electric Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-627-3995, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is General Electric Company. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGeneral Electric Company (CAGE 24446); G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc. (CAGE 81983); Singer Co the (CAGE 77948); Lockheed Martin Corp Naval Electronics & Surveillance Systems (CAGE 99971)
Technical Specifications
ParameterValue
NSN4820-00-627-3995
Primary Part Number7437048P1
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGeneral Electric Company
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5815-01-027-9622400662 INTERCHANGEABLE
Type Pallet
Telemechanics Inc
4820-01-329-986940066-202 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-331-875040066-201 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3120-01-546-5478146-13 INTERCHANGEABLE
Bushing,sleeve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-546-656640066-2 REVA SH2 FIND1 50149-09 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
7437048P1 General Electric Company (USA)
L1575C G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc. (USA)
400662 Singer Co the (USA)
7437048P1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
Related Parts
5815-01-027-9622INTERCHANGEABLE
TYPE PALLET
400662
4820-01-329-9869INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40066-202
4820-01-331-8750INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40066-201
3120-01-546-5478INTERCHANGEABLE
BUSHING,SLEEVE
146-13
4820-01-546-6566INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
40066-2 REVA SH2 FIND1 50149-09

Frequently Asked Questions

What is NSN 4820-00-627-3995?

NSN 4820-00-627-3995 is a Valve,safety Relief, manufactured by General Electric Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-627-3995?

NSN 4820-00-627-3995 has 4 cross-referenced part numbers: 7437048P1 (General Electric Company), L1575C (G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc.), 400662 (Singer Co the), 7437048P1 (Lockheed Martin Corp Naval Electronics & Surveillance Systems).

What NSN replaces 4820-00-627-3995?

There are 5 known substitutes for 4820-00-627-3995: 5815-01-027-9622, 4820-01-329-9869, 4820-01-331-8750 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-627-3995 still in active supply?

NSN 4820-00-627-3995 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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