PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6181-57-2Valve

Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect · NSN 4820-01-071-4388 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-071-4388 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-071-4388. Primary manufacturer part number: 6181-57-2.
Features
  • Valve — FSC 4820
  • Criticality Code Justification: FEAT
  • 5 verified cross-references
  • Primary manufacturer: Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve, cataloged under National Stock Number 4820-01-071-4388, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN4820-01-071-4388
Primary Part Number6181-57-2
Item NameValve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-193-79068239 INTERCHANGEABLE
Disk,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4720-01-352-18256181572 INTERCHANGEABLE
Hose Assembly Set,metallic and N
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
6181-57-2 PRIMARY Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
4820PL1731461 Jednolity Indeks Materialowy - Uniform Material Index (POL)
6181-57-2 Air Dry Co of America, Llc (USA)
10503ITEM10 Air Dry Co of America, Llc (USA)
10503ITEM10 Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
Related Parts
4820-01-193-7906INTERCHANGEABLE
DISK,VALVE
8239
4720-01-352-1825INTERCHANGEABLE
HOSE ASSEMBLY SET,METALLIC AND N
6181572

Frequently Asked Questions

What is NSN 4820-01-071-4388?

NSN 4820-01-071-4388 is a Valve, manufactured by Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-071-4388?

NSN 4820-01-071-4388 has 5 cross-referenced part numbers: 6181-57-2 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 4820PL1731461 (Jednolity Indeks Materialowy - Uniform Material Index), 6181-57-2 (Air Dry Co of America, Llc), 10503ITEM10 (Air Dry Co of America, Llc), 10503ITEM10 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect).

What NSN replaces 4820-01-071-4388?

There are 2 known substitutes for 4820-01-071-4388: 4820-01-193-7906, 4720-01-352-1825. Verify interchangeability with system specifications before substitution.

What are the specifications of 6181-57-2?

Key specifications for 6181-57-2: Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; End Item Identification: MANIFOLD 3000PSI; Criticality Code Justification: FEAT. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com