PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DL-1Wrench,tool,dome Ha

Vacco Industries · NSN 4820-01-137-1946 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-137-1946 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-137-1946. Primary manufacturer part number: DL-1.
Features
  • Wrench,tool,dome Ha — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Vacco Industries
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Wrench,tool,dome Ha, cataloged under National Stock Number 4820-01-137-1946, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Vacco Industries. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-137-1946
Primary Part NumberDL-1
Item NameWrench,tool,dome Ha
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVacco Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
9140-00-000-0185 INTERCHANGEABLE
Diesel Fuel
3040-01-060-8002DL1 INTERCHANGEABLE
Lever,manual Control
Itt Cannon Llc
4820-01-482-1106V2D11987-1 INTERCHANGEABLE
Piston,valve
Vacco Industries
4820-01-483-1486V3D10436-01 INTERCHANGEABLE
Body,valve
Vacco Industries
4820-01-483-1496V2C12744-4MF INTERCHANGEABLE
Disk,valve
Vacco Industries
4730-01-483-1499V2C13592-1 INTERCHANGEABLE
Cap,retention,pressure Plug
Vacco Industries
4820-01-483-1508V3C10417-031 INTERCHANGEABLE
Disk and Seat Set,valve
Vacco Industries
Cross-Reference Index
Part NumberManufacturer
V3E10103 REV B PART DL-1 Vacco Industries (USA)
V3E10103 Vacco Industries (USA)
V3E10006 REV F PT DL-1 Vacco Industries (USA)
DL-1 PRIMARY Vacco Industries (USA)
Related Parts
9140-00-000-0185INTERCHANGEABLE
DIESEL FUEL
3040-01-060-8002INTERCHANGEABLE
LEVER,MANUAL CONTROL
DL1
4820-01-482-1106INTERCHANGEABLE
PISTON,VALVE
V2D11987-1
4820-01-483-1486INTERCHANGEABLE
BODY,VALVE
V3D10436-01
4820-01-483-1496INTERCHANGEABLE
DISK,VALVE
V2C12744-4MF
4730-01-483-1499INTERCHANGEABLE
CAP,RETENTION,PRESSURE PLUG
V2C13592-1
4820-01-483-1508INTERCHANGEABLE
DISK AND SEAT SET,VALVE
V3C10417-031

Frequently Asked Questions

What is NSN 4820-01-137-1946?

NSN 4820-01-137-1946 is a Wrench,tool,dome Ha, manufactured by Vacco Industries, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-137-1946?

NSN 4820-01-137-1946 has 4 cross-referenced part numbers: V3E10103 REV B PART DL-1 (Vacco Industries), V3E10103 (Vacco Industries), V3E10006 REV F PT DL-1 (Vacco Industries), DL-1 (Vacco Industries).

What NSN replaces 4820-01-137-1946?

There are 7 known substitutes for 4820-01-137-1946: 9140-00-000-0185, 3040-01-060-8002, 4820-01-482-1106 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DL-1?

Key specifications for DL-1: End Item Identification: MANIFOLD 1500PSI SSTL. 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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