PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8401-000Valve,safety Relief

Ware Machine Works Inc · NSN 4820-01-259-2113 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-259-2113 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-259-2113. Primary manufacturer part number: 8401-000.
Features
  • Valve,safety Relief — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Ware Machine Works Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-259-2113, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ware Machine Works Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWare Machine Works Inc (CAGE 13194)
Technical Specifications
ParameterValue
NSN4820-01-259-2113
Primary Part Number8401-000
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWare Machine Works Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5985-00-930-18108401-000 INTERCHANGEABLE
Dummy Load,electrical
Bird Electronic Corporation Div Bird Electronic Corp
1440-01-655-643984-01000 INTERCHANGEABLE
Launching Control Group,guided M
Lockheed Martin Corporation
Cross-Reference Index
Part NumberManufacturer
8401-000 Ware Machine Works Inc (USA)
Related Parts
5985-00-930-1810INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
8401-000
1440-01-655-6439INTERCHANGEABLE
LAUNCHING CONTROL GROUP,GUIDED M
84-01000

Frequently Asked Questions

What is NSN 4820-01-259-2113?

NSN 4820-01-259-2113 is a Valve,safety Relief, manufactured by Ware Machine Works Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-259-2113?

NSN 4820-01-259-2113 has 1 cross-referenced part number: 8401-000 (Ware Machine Works Inc).

What NSN replaces 4820-01-259-2113?

There are 2 known substitutes for 4820-01-259-2113: 5985-00-930-1810, 1440-01-655-6439. Verify interchangeability with system specifications before substitution.

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