PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4330-1937Piston,compressor

Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters · NSN 4130-00-776-6407 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-00-776-6407 — this item is cataloged by the U.S. Government under National Stock Number 4130-00-776-6407. Primary manufacturer part number: 4330-1937.
Features
  • Piston,compressor — FSC 4130
  • Ring Groove Quantity: 2 AND 1
  • Head Style: DISH
  • Integral Connecting Rod: NOT INCLUDED
  • Material: ALUMINUM ALLOY
  • Surface Finish: FINISHED
  • Diameter: 2.750 INCHES NOMINAL IN
  • 5 verified cross-references
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Piston,compressor, cataloged under National Stock Number 4130-00-776-6407, is classified within Federal Supply Class 4130 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN4130-00-776-6407
Primary Part Number4330-1937
Item NamePiston,compressor
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerTrane U.s. Inc. Dba the Trane Co Div Trane Headquarters
StatusCANCELLED
Ring Groove Quantity2 AND 1
Head StyleDISH
Integral Connecting RodNOT INCLUDED
MaterialALUMINUM ALLOY
Surface FinishFINISHED
Diameter2.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4310-00-167-994710031N INTERCHANGEABLE
Piston,compressor
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4730-00-336-92661768 INTERCHANGEABLE
Strainer Element,sediment
Wayne Wire Cloth Products, Inc
4310-00-471-0129PST20 INTERCHANGEABLE
Piston,compressor
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
Cross-Reference Index
Part NumberManufacturer
D4330-1937 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
PST00020 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
4330-1937 PRIMARY Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
PST20 Eaton Corp Clutch Div (USA)
PST21 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
Related Parts
4310-00-167-9947INTERCHANGEABLE
PISTON,COMPRESSOR
10031N
4730-00-336-9266INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
1768
4310-00-471-0129INTERCHANGEABLE
PISTON,COMPRESSOR
PST20

Frequently Asked Questions

What is NSN 4130-00-776-6407?

NSN 4130-00-776-6407 is a Piston,compressor, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 4130 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4130-00-776-6407?

NSN 4130-00-776-6407 has 5 cross-referenced part numbers: D4330-1937 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), PST00020 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), 4330-1937 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), PST20 (Eaton Corp Clutch Div), PST21 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).

What NSN replaces 4130-00-776-6407?

There are 3 known substitutes for 4130-00-776-6407: 4310-00-167-9947, 4730-00-336-9266, 4310-00-471-0129. Verify interchangeability with system specifications before substitution.

What are the specifications of 4330-1937?

Key specifications for 4330-1937: Overall Height: 2.750 INCHES NOMINAL IN; Ring Groove Quantity: 2 AND 1; Head Style: DISH; Integral Connecting Rod: NOT INCLUDED. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4130-00-776-6407 still in active supply?

NSN 4130-00-776-6407 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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