PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204902Valve,check

Admiral Filter Company Llc · NSN 4820-01-411-2152 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-411-2152 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-411-2152. Primary manufacturer part number: 204902.
Features
  • Valve,check — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Admiral Filter Company Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-411-2152, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Admiral Filter Company Llc. 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.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAdmiral Filter Company Llc (CAGE 25204)
Technical Specifications
ParameterValue
NSN4820-01-411-2152
Primary Part Number204902
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAdmiral Filter Company Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5977-00-032-1530 INTERCHANGEABLE
Brush,electrical Contact
4730-00-185-2713204902 INTERCHANGEABLE
Elbow,hose
Lockheed Martin Corp
5998-01-364-3248204902-G01 INTERCHANGEABLE
Circuit Card Assembly
L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation
4820-01-411-2150204901 INTERCHANGEABLE
Valve,check
Admiral Filter Company Llc
4820-01-411-2760801-6405227-AY97 INTERCHANGEABLE
Valve,check
Naval Sea Systems Command
4820-01-500-2115204901 AND 204902 INTERCHANGEABLE
Body,valve
Admiral Filter Company Llc
6515-01-559-0741204902 INTERCHANGEABLE
Holder,injector Syringe
Select Inc
6515-01-629-2738NDC00409-2049-02 INTERCHANGEABLE
Holder,injector Syringe
Pfizer Inc
Cross-Reference Index
Part NumberManufacturer
690313 Admiral Filter Company Llc (USA)
690313-2 Admiral Filter Company Llc (USA)
204902 PRIMARY Admiral Filter Company Llc (USA)
Related Parts
5977-00-032-1530INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4730-00-185-2713INTERCHANGEABLE
ELBOW,HOSE
204902
5998-01-364-3248INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
204902-G01
4820-01-411-2150INTERCHANGEABLE
VALVE,CHECK
204901
4820-01-411-2760INTERCHANGEABLE
VALVE,CHECK
801-6405227-AY97
4820-01-500-2115INTERCHANGEABLE
BODY,VALVE
204901 AND 204902
6515-01-559-0741INTERCHANGEABLE
HOLDER,INJECTOR SYRINGE
204902
6515-01-629-2738INTERCHANGEABLE
HOLDER,INJECTOR SYRINGE
NDC00409-2049-02

Frequently Asked Questions

What is NSN 4820-01-411-2152?

NSN 4820-01-411-2152 is a Valve,check, manufactured by Admiral Filter Company Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-411-2152?

NSN 4820-01-411-2152 has 3 cross-referenced part numbers: 690313 (Admiral Filter Company Llc), 690313-2 (Admiral Filter Company Llc), 204902 (Admiral Filter Company Llc).

What NSN replaces 4820-01-411-2152?

There are 8 known substitutes for 4820-01-411-2152: 5977-00-032-1530, 4730-00-185-2713, 5998-01-364-3248 and 5 more. Verify interchangeability with system specifications before substitution.

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