PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5757Ring,piston

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 2805-01-332-1339 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-01-332-1339 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-332-1339. Primary manufacturer part number: 5757.
Features
  • Ring,piston — FSC 2805
  • Material: GLASS AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Applications requiring Glass and Plastic Polytetrafluoroethylene Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-01-332-1339, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-01-332-1339
Primary Part Number5757
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
MaterialGLASS AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-268-3438 INTERCHANGEABLE
Gasket
6340-00-304-5556092-000-001 INTERCHANGEABLE
Detector,ice
Mack Electric Devices Inc
6640-00-875-32848047-20 INTERCHANGEABLE
Clamp,laboratory Support Rod
Cole-Parmer Instrument Company, Llc
5935-00-958-1854 INTERCHANGEABLE
Connector,receptacle,electrical
6645-01-036-50275757 INTERCHANGEABLE
Timer,interval
Pentair Filtration Solutions, Llc
6130-01-106-30845399727-2 INTERCHANGEABLE
Power Supply
Naval Sea Systems Command
5950-01-120-50373146160-1 INTERCHANGEABLE
Coil,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2540-01-258-7271 INTERCHANGEABLE
Latch,door,vehicular
4730-01-317-48944980D-G502 INTERCHANGEABLE
Trap,moisture
Howell Laboratories Inc Dba Howell Laboratories Inc
6520-01-327-06295757 INTERCHANGEABLE
Holder,file,pulp Canal
Dentalez, Inc. Dba Star Dental
Cross-Reference Index
Part NumberManufacturer
5757 Atkomatic Valve Co Inc (USA)
5757 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
5330-00-268-3438INTERCHANGEABLE
GASKET
6340-00-304-5556INTERCHANGEABLE
DETECTOR,ICE
092-000-001
6640-00-875-3284INTERCHANGEABLE
CLAMP,LABORATORY SUPPORT ROD
8047-20
5935-00-958-1854INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6645-01-036-5027INTERCHANGEABLE
TIMER,INTERVAL
5757
6130-01-106-3084INTERCHANGEABLE
POWER SUPPLY
5399727-2
5950-01-120-5037INTERCHANGEABLE
COIL,ELECTRICAL
3146160-1
2540-01-258-7271INTERCHANGEABLE
LATCH,DOOR,VEHICULAR
4730-01-317-4894INTERCHANGEABLE
TRAP,MOISTURE
4980D-G502
6520-01-327-0629INTERCHANGEABLE
HOLDER,FILE,PULP CANAL
5757
5940-01-725-2799INTERCHANGEABLE
ADAPTER,RADIO FREQUENCY CABLE
5757

Frequently Asked Questions

What is NSN 2805-01-332-1339?

NSN 2805-01-332-1339 is a Ring,piston, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-01-332-1339?

NSN 2805-01-332-1339 has 2 cross-referenced part numbers: 5757 (Atkomatic Valve Co Inc), 5757 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 2805-01-332-1339?

There are 11 known substitutes for 2805-01-332-1339: 5330-00-268-3438, 6340-00-304-5556, 6640-00-875-3284 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5757?

Key specifications for 5757: Material: GLASS AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 1 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