PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17521Parts Kit,valve

Anderson, H E Co Inc · NSN 4820-01-424-2665 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-424-2665 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-424-2665. Primary manufacturer part number: 17521.
Features
  • Parts Kit,valve — FSC 4820
  • Document Source: 0K616
  • End Item Name: PURIFICATION
  • Component Quantity: 8
  • Nonsupply Items and Quantities: DIAPHRAGM 2,HEXHEAD SCREWS 2,STUD 1,FLANGE SCREWS 2,0-RING 1
  • Unit Package Quantity: 5
  • End Item Source: 62502
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,valve, cataloged under National Stock Number 4820-01-424-2665, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson, H E Co Inc. Government technical data includes 6 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-424-2665
Primary Part Number17521
Item NameParts Kit,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson, H E Co Inc
StatusACTIVE
Document Source0K616
End Item NamePURIFICATION
Component Quantity8
Nonsupply Items and QuantitiesDIAPHRAGM 2,HEXHEAD SCREWS 2,STUD 1,FLANGE SCREWS 2,0-RING 1
Unit Package Quantity5
End Item Source62502
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
8030-00-081-2341 INTERCHANGEABLE
Sealing Compound
5307-00-206-904218932 INTERCHANGEABLE
Stud,plain
Honeywell International Inc. Div Aerospace - Torrance
6210-00-250-857417521 INTERCHANGEABLE
Light,indicator
Avo Intl
5962-00-514-1922 INTERCHANGEABLE
Microcircuit,digital
4710-00-756-085417521 INTERCHANGEABLE
Tube Assembly,metal
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3010-01-212-266017521 INTERCHANGEABLE
Clutch Half,positive,nonvehicula
Blako Inc. Dba Blakeslee
6150-01-364-4964ECM-521 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Electri-Cord Mfg Co Inc
5340-01-559-629517521 INTERCHANGEABLE
Bracket,mounting
Silver Eagle Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
17521 Anderson, H E Co Inc (USA)
08921 Anderson, H E Co Inc (USA)
18932 Anderson, H E Co Inc (USA)
Related Parts
8030-00-081-2341INTERCHANGEABLE
SEALING COMPOUND
5307-00-206-9042INTERCHANGEABLE
STUD,PLAIN
18932
6210-00-250-8574INTERCHANGEABLE
LIGHT,INDICATOR
17521
5962-00-514-1922INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4710-00-756-0854INTERCHANGEABLE
TUBE ASSEMBLY,METAL
17521
3010-01-212-2660INTERCHANGEABLE
CLUTCH HALF,POSITIVE,NONVEHICULA
17521
6150-01-364-4964INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
ECM-521
5340-01-559-6295INTERCHANGEABLE
BRACKET,MOUNTING
17521

Frequently Asked Questions

What is NSN 4820-01-424-2665?

NSN 4820-01-424-2665 is a Parts Kit,valve, manufactured by Anderson, H E Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-424-2665?

NSN 4820-01-424-2665 has 3 cross-referenced part numbers: 17521 (Anderson, H E Co Inc), 08921 (Anderson, H E Co Inc), 18932 (Anderson, H E Co Inc).

What NSN replaces 4820-01-424-2665?

There are 8 known substitutes for 4820-01-424-2665: 8030-00-081-2341, 5307-00-206-9042, 6210-00-250-8574 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17521?

Key specifications for 17521: Document Source: 0K616; End Item Identification: SHIPBOARD MATERIAL H; End Item Name: PURIFICATION; Component Quantity: 8. 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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