PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2157-386REVAMock-Up,omega Seal Weld

Hamill Manufacturing Company Dba Hamill Manufacturing Co · NSN 4470-00-538-5357 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-00-538-5357 — this item is cataloged by the U.S. Government under National Stock Number 4470-00-538-5357. Primary manufacturer part number: 2157-386REVA.
Features
  • Mock-Up,omega Seal Weld — FSC 4470
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS
  • 4 verified cross-references
  • Primary manufacturer: Hamill Manufacturing Company Dba Hamill Manufacturing Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Mock-Up,omega Seal Weld, cataloged under National Stock Number 4470-00-538-5357, 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 Hamill Manufacturing Company Dba Hamill Manufacturing Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-00-538-5357
Primary Part Number2157-386REVA
Item NameMock-Up,omega Seal Weld
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerHamill Manufacturing Company Dba Hamill Manufacturing Co
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsSELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6130-00-420-409210642 INTERCHANGEABLE
Power Supply
Weigh-Tronix Inc
Cross-Reference Index
Part NumberManufacturer
2157-386REVA Hamill Manufacturing Company Dba Hamill Manufacturing Co (USA)
PL-2755-201 IT 23 Kinetics Corp (USA)
2157-386 Kinetics Corp (USA)
2157-386 Hamill Manufacturing Company Dba Hamill Manufacturing Co (USA)
Related Parts
6130-00-420-4092INTERCHANGEABLE
POWER SUPPLY
10642

Frequently Asked Questions

What is NSN 4470-00-538-5357?

NSN 4470-00-538-5357 is a Mock-Up,omega Seal Weld, manufactured by Hamill Manufacturing Company Dba Hamill Manufacturing Co, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-00-538-5357?

NSN 4470-00-538-5357 has 4 cross-referenced part numbers: 2157-386REVA (Hamill Manufacturing Company Dba Hamill Manufacturing Co), PL-2755-201 IT 23 (Kinetics Corp), 2157-386 (Kinetics Corp), 2157-386 (Hamill Manufacturing Company Dba Hamill Manufacturing Co).

What NSN replaces 4470-00-538-5357?

There is 1 known substitute for 4470-00-538-5357: 6130-00-420-4092. Verify interchangeability with system specifications before substitution.

What are the specifications of 2157-386REVA?

Key specifications for 2157-386REVA: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS. 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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