PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17201Parts Kit,safety Relief Valve

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4820-01-166-8295 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-166-8295 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-166-8295. Primary manufacturer part number: 17201.
Features
  • Parts Kit,safety Relief Valve — FSC 4820
  • Supply Items and Quantities: SEAT 1,BACK-UP RING 2,DISK 1,STEM 1,PACKING,PREFORMED 3
  • End Item Name: VALVE
  • Component Quantity: 8
  • End Item Source: 91816
  • 1 verified cross-reference
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-166-8295, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-166-8295
Primary Part Number17201
Item NameParts Kit,safety Relief Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Supply Items and QuantitiesSEAT 1,BACK-UP RING 2,DISK 1,STEM 1,PACKING,PREFORMED 3
End Item NameVALVE
Component Quantity8
End Item Source91816
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-417-4502989110-12B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
1650-00-773-0726172-01 INTERCHANGEABLE
Parts Kit,generator
Hamilton Sundstrand Corporation
5935-01-010-8388 INTERCHANGEABLE
Connector Body,receptacle,electr
5905-01-073-7315 INTERCHANGEABLE
Resistor,fixed,film
6140-01-131-9696 INTERCHANGEABLE
Battery,storage
5950-01-147-746717201 INTERCHANGEABLE
Transformer,power
Drs Signal Solutions, Inc.
3020-01-224-840417201-1 INTERCHANGEABLE
Sprocket Shaft
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
4310-01-256-068617201 INTERCHANGEABLE
Panel Section,hood
Bet Plant Services
3040-01-337-4081 INTERCHANGEABLE
Breather
6515-01-497-520417-201 INTERCHANGEABLE
Catheter,balloon
Boston Scientific Corp Medi-Tech Div
Cross-Reference Index
Part NumberManufacturer
17201 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
5950-00-417-4502INTERCHANGEABLE
COIL,RADIO FREQUENCY
989110-12B
1650-00-773-0726INTERCHANGEABLE
PARTS KIT,GENERATOR
172-01
5935-01-010-8388INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
5905-01-073-7315INTERCHANGEABLE
RESISTOR,FIXED,FILM
6140-01-131-9696INTERCHANGEABLE
BATTERY,STORAGE
5950-01-147-7467INTERCHANGEABLE
TRANSFORMER,POWER
17201
3020-01-224-8404INTERCHANGEABLE
SPROCKET SHAFT
17201-1
4310-01-256-0686INTERCHANGEABLE
PANEL SECTION,HOOD
17201
3040-01-337-4081INTERCHANGEABLE
BREATHER
6515-01-497-5204INTERCHANGEABLE
CATHETER,BALLOON
17-201
6515-01-590-4149INTERCHANGEABLE
GAGE,DEPTH,BONE SCREW
319.006
7510-01-603-9656INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
7000042818

Frequently Asked Questions

What is NSN 4820-01-166-8295?

NSN 4820-01-166-8295 is a Parts Kit,safety Relief Valve, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-166-8295?

NSN 4820-01-166-8295 has 1 cross-referenced part number: 17201 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 4820-01-166-8295?

There are 12 known substitutes for 4820-01-166-8295: 5950-00-417-4502, 1650-00-773-0726, 5935-01-010-8388 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17201?

Key specifications for 17201: End Item Identification: P21-452; Supply Items and Quantities: SEAT 1,BACK-UP RING 2,DISK 1,STEM 1,PACKING,PREFORMED 3; End Item Name: VALVE; Component Quantity: 8. 5 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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