PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35921Retainer,disk,valve

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4820-01-367-4691 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-367-4691 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-367-4691. Primary manufacturer part number: 35921.
Features
  • Retainer,disk,valve — FSC 4820
  • 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 Retainer,disk,valve, cataloged under National Stock Number 4820-01-367-4691, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,disk,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersCircor Aerospace, Inc. Dba Circor Aerospace Inc (CAGE 91816)
Technical Specifications
ParameterValue
NSN4820-01-367-4691
Primary Part Number35921
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6135-01-437-640935-921 INTERCHANGEABLE
Battery Assembly
Honeywell Safety Products Usa, Inc.
4720-01-444-343026043434 INTERCHANGEABLE
Hose Assembly,nonmetallic
General Motors Llc Dba General Motors Llc
1560-01-476-471035921 INTERCHANGEABLE
Duct Assembly,bleed Air
Heligear Acquisition Co. Dba Northstar Aerospace Phoenix
5310-01-604-386535921 INTERCHANGEABLE
Nut,plain,hexagon
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
35921 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
6135-01-437-6409INTERCHANGEABLE
BATTERY ASSEMBLY
35-921
4720-01-444-3430INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
26043434
1560-01-476-4710INTERCHANGEABLE
DUCT ASSEMBLY,BLEED AIR
35921
5310-01-604-3865INTERCHANGEABLE
NUT,PLAIN,HEXAGON
35921

Frequently Asked Questions

What is NSN 4820-01-367-4691?

NSN 4820-01-367-4691 is a Retainer,disk,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 4820-01-367-4691?

NSN 4820-01-367-4691 has 1 cross-referenced part number: 35921 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 4820-01-367-4691?

There are 4 known substitutes for 4820-01-367-4691: 6135-01-437-6409, 4720-01-444-3430, 1560-01-476-4710 and 1 more. Verify interchangeability with system specifications before substitution.

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