PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52106-1021-1Flange,gland,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-514-8442 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-514-8442 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-514-8442. Primary manufacturer part number: 52106-1021-1.
Features
  • Flange,gland,valve — FSC 4820
  • Material Document and Classification: ASTM-B211 6061-T651 AL ALY ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment Document and Classification: MIL--A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
  • 3 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 Flange,gland,valve, cataloged under National Stock Number 4820-01-514-8442, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-01-514-8442
Primary Part Number52106-1021-1
Item NameFlange,gland,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Material Document and ClassificationASTM-B211 6061-T651 AL ALY ASSN STD SINGLE MATERIAL RESPONSE
Surface Treatment Document and ClassificationMIL--A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-230-703758-10092 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5330-00-291-74621964C INTERCHANGEABLE
Gasket
Vellumoid, Inc.
5950-00-493-559352133 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
6515-01-153-5841 INTERCHANGEABLE
Speculum,otoscope
6515-01-239-830331235-030 INTERCHANGEABLE
Speculum,otoscope
Cardinal Health 200, Llc
4730-01-515-3772VXCA2500450D INTERCHANGEABLE
Restrictor,fluid Flow
The Lee Co Dba the Lee Co
5305-01-616-135752133 INTERCHANGEABLE
Screw,machine
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
52133 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
52133 FIND 10 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
52106-1021-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
3455-00-230-7037INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10092
5330-00-291-7462INTERCHANGEABLE
GASKET
1964C
5950-00-493-5593INTERCHANGEABLE
COIL,RADIO FREQUENCY
52133
6515-01-153-5841INTERCHANGEABLE
SPECULUM,OTOSCOPE
6515-01-239-8303INTERCHANGEABLE
SPECULUM,OTOSCOPE
31235-030
4730-01-515-3772INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
VXCA2500450D
5305-01-616-1357INTERCHANGEABLE
SCREW,MACHINE
52133

Frequently Asked Questions

What is NSN 4820-01-514-8442?

NSN 4820-01-514-8442 is a Flange,gland,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 4820-01-514-8442?

NSN 4820-01-514-8442 has 3 cross-referenced part numbers: 52133 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 52133 FIND 10 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 52106-1021-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-514-8442?

There are 7 known substitutes for 4820-01-514-8442: 3455-00-230-7037, 5330-00-291-7462, 5950-00-493-5593 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52106-1021-1?

Key specifications for 52106-1021-1: End Item Identification: SEAWOLF CLASS SSN; Special Features: USED ON SERVO VALVE ASSEMBLY P/N 52133; Material Document and Classification: ASTM-B211 6061-T651 AL ALY ASSN STD SINGLE MATERIAL RESPONSE; Surface Treatment Document and Classification: MIL--A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE. 7 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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