NSN 4310-01-189-3218 · NIIN 011893218 · Part number 81137-2
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors · CAGE 09790
Government record, cited
NSN 4310-01-189-3218 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-189-3218. Manufacturer of record part number: 81137-2.
Also searched as4310-01-189-3218 ·
4310011893218 ·
NIIN 011893218 ·
01-189-3218 ·
FSC 4310 Compressors and Vacuum Pumps · CAGE 09790 · 81137-2
The Ring,piston, cataloged under National Stock Number 4310-01-189-3218, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4310-01-189-3218
Primary Part Number
81137-2
Item Name
Ring,piston
FSC / FSG
4310 / 43 — Compressors and Vacuum Pumps
Manufacturer
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Other items in FSC 4310 — Compressors and Vacuum Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4310-00-000-0050
COMPRESSOR UNIT,RECIPROCATING
4310-00-001-0059
4310-00-001-0059 · Item name not on file
4310-00-001-2044
MOUNTING PAD,TANK,PRESSURE
4310-00-001-3477
PARTS KIT,VACUUM PUMP
4310-00-001-3493
VACUUM PUMP,ROTARY
4310-00-001-6194
4310-00-001-6194 · Item name not on file
4310-00-001-6381
4310-00-001-6381 · Item name not on file
4310-00-001-7755
PARTS KIT,VACUUM PUMP
Frequently Asked Questions
What is NSN 4310-01-189-3218?
NSN 4310-01-189-3218 is a Ring,piston, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
What part numbers are listed for NSN 4310-01-189-3218?
NSN 4310-01-189-3218 has 1 manufacturer part number on file: 81137-2 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
What are the specifications of 81137-2?
Key specifications for 81137-2: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 1 specification is documented in the U.S. Government catalog.
Is NSN 4310-01-189-3218 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.