PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66A7612Ring,lantern

Aqua-Chem, Inc. · NSN 4320-00-904-2267 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-904-2267 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-904-2267. Primary manufacturer part number: 66A7612.
Features
  • Ring,lantern — FSC 4320
  • Material: COPPER ALLOY OVERALL
  • Height: 0.375 INCHES NOMINAL IN
  • Inside Diameter: 1.656 INCHES NOMINAL IN
  • Outside Diameter: 2.365 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Aqua-Chem, Inc.
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Ring,lantern, cataloged under National Stock Number 4320-00-904-2267, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Aqua-Chem, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-904-2267
Primary Part Number66A7612
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAqua-Chem, Inc.
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Height0.375 INCHES NOMINAL IN
Inside Diameter1.656 INCHES NOMINAL IN
Outside Diameter2.365 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1270-00-446-3449667502 INTERCHANGEABLE
Amplifier,sight
Lockheed Martin Corporation Div Rms - Mitchel Field
2520-01-149-1051CP58WB HWD INTERCHANGEABLE
Spider,universal Joint,vehicular
Meritor Heavy Vehicle Systems, Llc
5920-01-580-7744667512 INTERCHANGEABLE
Fuse,enclosed Link
Environmental Tectonics Corp
Cross-Reference Index
Part NumberManufacturer
66A7612 Aqua-Chem, Inc. (USA)
006-7612-000 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
66-7502 Aqua-Chem, Inc. (USA)
66-7512 Aqua-Chem, Inc. (USA)
006-7612-000 Aqua-Chem, Inc. (USA)
Related Parts
1270-00-446-3449INTERCHANGEABLE
AMPLIFIER,SIGHT
667502
2520-01-149-1051INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
CP58WB HWD
5920-01-580-7744INTERCHANGEABLE
FUSE,ENCLOSED LINK
667512

Frequently Asked Questions

What is NSN 4320-00-904-2267?

NSN 4320-00-904-2267 is a Ring,lantern, manufactured by Aqua-Chem, Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-904-2267?

NSN 4320-00-904-2267 has 5 cross-referenced part numbers: 66A7612 (Aqua-Chem, Inc.), 006-7612-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 66-7502 (Aqua-Chem, Inc.), 66-7512 (Aqua-Chem, Inc.), 006-7612-000 (Aqua-Chem, Inc.).

What NSN replaces 4320-00-904-2267?

There are 3 known substitutes for 4320-00-904-2267: 1270-00-446-3449, 2520-01-149-1051, 5920-01-580-7744. Verify interchangeability with system specifications before substitution.

What are the specifications of 66A7612?

Key specifications for 66A7612: Material: COPPER ALLOY OVERALL; Height: 0.375 INCHES NOMINAL IN; Inside Diameter: 1.656 INCHES NOMINAL IN; Outside Diameter: 2.365 INCHES NOMINAL IN. 4 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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