PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

6450Spring,expander,piston Ring

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 2810-01-312-6836 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-01-312-6836 — this item is cataloged by the U.S. Government under National Stock Number 2810-01-312-6836. Primary manufacturer part number: 6450.
Features
  • Spring,expander,piston Ring — FSC 2810
  • General Characteristics Item Description: STEEL; 3.000 IN. OD X 0.190 IN. H IN
  • 1 verified cross-reference
  • Primary manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,expander,piston Ring, cataloged under National Stock Number 2810-01-312-6836, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-01-312-6836
Primary Part Number6450
Item NameSpring,expander,piston Ring
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusACTIVE
General Characteristics Item DescriptionSTEEL; 3.000 IN. OD X 0.190 IN. H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2910-00-179-7622 INTERCHANGEABLE
Tube
4030-00-236-24785B3450 INTERCHANGEABLE
Clamp,wire Rope,bolted
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-00-343-97166450 INTERCHANGEABLE
Bushing,sleeve
Northrop Grumman Systems Corporation Div Marine Systems
5935-01-152-70012939200-1 INTERCHANGEABLE
Adapter,connector
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4910-01-309-17516450-3D INTERCHANGEABLE
Balancer,vehicle Wheel
Coats/solar Co Inc the Div of Solar Industries Inc Hennessy Industries Inc Co
5330-01-367-67196450 INTERCHANGEABLE
Seal,nonmetallic Strip
Permatite Mfg
5120-01-425-89866450 INTERCHANGEABLE
Adapter,socket Wrench
Wright Tool Co
6505-01-516-45106450 INTERCHANGEABLE
Fluorescein Sodium Ophthalmic St
Novartis Ophthalmics, Inc.
Cross-Reference Index
Part NumberManufacturer
6450 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
2910-00-179-7622INTERCHANGEABLE
TUBE
4030-00-236-2478INTERCHANGEABLE
CLAMP,WIRE ROPE,BOLTED
5B3450
3120-00-343-9716INTERCHANGEABLE
BUSHING,SLEEVE
6450
5935-01-152-7001INTERCHANGEABLE
ADAPTER,CONNECTOR
2939200-1
4910-01-309-1751INTERCHANGEABLE
BALANCER,VEHICLE WHEEL
6450-3D
5330-01-367-6719INTERCHANGEABLE
SEAL,NONMETALLIC STRIP
6450
5120-01-425-8986INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
6450
6505-01-516-4510INTERCHANGEABLE
FLUORESCEIN SODIUM OPHTHALMIC ST
6450

Frequently Asked Questions

What is NSN 2810-01-312-6836?

NSN 2810-01-312-6836 is a Spring,expander,piston Ring, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-01-312-6836?

NSN 2810-01-312-6836 has 1 cross-referenced part number: 6450 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 2810-01-312-6836?

There are 8 known substitutes for 2810-01-312-6836: 2910-00-179-7622, 4030-00-236-2478, 3120-00-343-9716 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6450?

Key specifications for 6450: End Item Identification: 1905-01-154-1191 LANDING CRAFT UTILITY; General Characteristics Item Description: STEEL; 3.000 IN. OD X 0.190 IN. H IN. 2 total characteristics are documented in the Federal Logistics Information System.

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