PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21073-1001-1Guide,diaphragm,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-415-7425 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-415-7425 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-415-7425. Primary manufacturer part number: 21073-1001-1.
Features
  • Guide,diaphragm,valve — FSC 4820
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
  • 4 verified cross-references
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy construction
General Description

The Guide,diaphragm,valve, cataloged under National Stock Number 4820-01-415-7425, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-415-7425
Primary Part Number21073-1001-1
Item NameGuide,diaphragm,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5995-00-519-1342CG409A/U1FT 8IN INTERCHANGEABLE
Cable Assembly,radio Frequency
Joint Electronics Type Designation System
1660-00-632-961921073 INTERCHANGEABLE
Converter,liquid Oxygen
Ingersoll-Rand Company Dba Ingersoll-Rand
7035-01-095-545221073 INTERCHANGEABLE
Block,filter
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5340-01-194-910721073 INTERCHANGEABLE
Strike,catch
Silver King Refrigeration Inc.
4820-01-328-3422WF2-1073 INTERCHANGEABLE
Button,bleeder Valve
Malabar
5962-01-338-5503 INTERCHANGEABLE
Microcircuit,linear
4820-01-417-233521073-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-614-706321073C INTERCHANGEABLE
Float,valve
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
21073-12 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21073 FIND 12 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21073 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21073-1001-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5995-00-519-1342INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
CG409A/U1FT 8IN
1660-00-632-9619INTERCHANGEABLE
CONVERTER,LIQUID OXYGEN
21073
7035-01-095-5452INTERCHANGEABLE
BLOCK,FILTER
21073
5340-01-194-9107INTERCHANGEABLE
STRIKE,CATCH
21073
4820-01-328-3422INTERCHANGEABLE
BUTTON,BLEEDER VALVE
WF2-1073
5962-01-338-5503INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4820-01-417-2335INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21073-002
4820-01-614-7063INTERCHANGEABLE
FLOAT,VALVE
21073C

Frequently Asked Questions

What is NSN 4820-01-415-7425?

NSN 4820-01-415-7425 is a Guide,diaphragm,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-415-7425?

NSN 4820-01-415-7425 has 4 cross-referenced part numbers: 21073-12 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21073 FIND 12 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21073 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21073-1001-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-415-7425?

There are 8 known substitutes for 4820-01-415-7425: 5995-00-519-1342, 1660-00-632-9619, 7035-01-095-5452 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21073-1001-1?

Key specifications for 21073-1001-1: Material: ALUMINUM ALLOY; End Item Identification: SEAWOLF CLASS SSN; Surface Treatment: ANODIZE. 3 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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