PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820-4383961Flask,sampling

Naval Sea Systems Command · NSN 4470-00-925-4351 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-00-925-4351 — this item is cataloged by the U.S. Government under National Stock Number 4470-00-925-4351. Primary manufacturer part number: 820-4383961.
Features
  • Flask,sampling — FSC 4470
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flask,sampling, cataloged under National Stock Number 4470-00-925-4351, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-00-925-4351
Primary Part Number820-4383961
Item NameFlask,sampling
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-435-5470 INTERCHANGEABLE
Bridge,impedance
6625-01-321-9286 INTERCHANGEABLE
Analyzer,digital Data,electronic
Cross-Reference Index
Part NumberManufacturer
820-4383961 Naval Sea Systems Command (USA)
1650B Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
1650B-1 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
6625-00-435-5470INTERCHANGEABLE
BRIDGE,IMPEDANCE
6625-01-321-9286INTERCHANGEABLE
ANALYZER,DIGITAL DATA,ELECTRONIC

Frequently Asked Questions

What is NSN 4470-00-925-4351?

NSN 4470-00-925-4351 is a Flask,sampling, manufactured by Naval Sea Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-00-925-4351?

NSN 4470-00-925-4351 has 3 cross-referenced part numbers: 820-4383961 (Naval Sea Systems Command), 1650B (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 1650B-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4470-00-925-4351?

There are 2 known substitutes for 4470-00-925-4351: 6625-00-435-5470, 6625-01-321-9286. Verify interchangeability with system specifications before substitution.

What are the specifications of 820-4383961?

Key specifications for 820-4383961: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 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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