PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

276624Piston

Turbo Power & Marine System Inc Sub of United Technologies Corp · NSN 2840-00-322-1487 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-322-1487 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-322-1487. Primary manufacturer part number: 276624.
Features
  • Piston — FSC 2840
  • Criticality Code Justification: AGAV
  • 2 verified cross-references
  • Primary manufacturer: Turbo Power & Marine System Inc Sub of United Technologies Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston, cataloged under National Stock Number 2840-00-322-1487, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Turbo Power & Marine System Inc Sub of United Technologies Corp. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2840-00-322-1487
Primary Part Number276624
Item NamePiston
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerTurbo Power & Marine System Inc Sub of United Technologies Corp
StatusCANCELLED
Criticality Code JustificationAGAV
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5845-00-057-2318276624 INTERCHANGEABLE
Spool,valve
Eaton Aerospace, Llc Dba Jackson South
4720-01-100-2135242-24 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
Cross-Reference Index
Part NumberManufacturer
276624 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
276624 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5845-00-057-2318INTERCHANGEABLE
SPOOL,VALVE
276624
4720-01-100-2135INTERCHANGEABLE
HOSE,NONMETALLIC
242-24

Frequently Asked Questions

What is NSN 2840-00-322-1487?

NSN 2840-00-322-1487 is a Piston, manufactured by Turbo Power & Marine System Inc Sub of United Technologies Corp, classified under FSC 2840 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2840-00-322-1487?

NSN 2840-00-322-1487 has 2 cross-referenced part numbers: 276624 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 276624 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-322-1487?

There are 2 known substitutes for 2840-00-322-1487: 5845-00-057-2318, 4720-01-100-2135. Verify interchangeability with system specifications before substitution.

What are the specifications of 276624?

Key specifications for 276624: End Item Identification: J-57 AIRCRAFT ENGINE; Criticality Code Justification: AGAV. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2840-00-322-1487 still in active supply?

NSN 2840-00-322-1487 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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