PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4879Piston,valve

Coffin Turbo Pump Inc · NSN 4820-01-275-0617 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-275-0617 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-275-0617. Primary manufacturer part number: 4879.
Features
  • Piston,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-275-0617, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Coffin Turbo Pump Inc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-275-0617
Primary Part Number4879
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5342-00-013-3651DS-934377 INTERCHANGEABLE
Clip,nutating Plate
Eaton Aerospace, Llc Dba Jackson South
2520-00-025-125637333D INTERCHANGEABLE
Shaft,clutch
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5940-00-143-4771MS25036-103 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5950-00-147-96762678621 INTERCHANGEABLE
Transformer,audio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-228-1449 INTERCHANGEABLE
Coil,radio Frequency
4320-00-375-89139972 INTERCHANGEABLE
Head and Liner
Coffin Turbo Pump Inc
5340-00-515-17114905-25 INTERCHANGEABLE
Latch,rim
Eastern Co Div Eberhard Manufacturing
5330-00-843-95164879 INTERCHANGEABLE
Seal,plain Encased
Eaton Corporation Dba Eaton Inoac
5120-01-073-5190GS15946-1 INTERCHANGEABLE
Tool,retainer Simulator
Hamilton Sundstrand Corporation Dba Collins Aerospace
2910-01-275-06071520-376 INTERCHANGEABLE
Nozzle,turbine Pump
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
4879 PRIMARY Coffin Turbo Pump Inc (USA)
E8256 ITEM 289 Coffin Turbo Pump Inc (USA)
4879 Fmc Corp Turbo Pump Operation (USA)
E8256 Coffin Turbo Pump Inc (USA)
Related Parts
5342-00-013-3651INTERCHANGEABLE
CLIP,NUTATING PLATE
DS-934377
2520-00-025-1256INTERCHANGEABLE
SHAFT,CLUTCH
37333D
5940-00-143-4771INTERCHANGEABLE
TERMINAL,LUG
MS25036-103
5950-00-147-9676INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2678621
5950-00-228-1449INTERCHANGEABLE
COIL,RADIO FREQUENCY
4320-00-375-8913INTERCHANGEABLE
HEAD AND LINER
9972
5340-00-515-1711INTERCHANGEABLE
LATCH,RIM
4905-25
5330-00-843-9516INTERCHANGEABLE
SEAL,PLAIN ENCASED
4879
5120-01-073-5190INTERCHANGEABLE
TOOL,RETAINER SIMULATOR
GS15946-1
2910-01-275-0607INTERCHANGEABLE
NOZZLE,TURBINE PUMP
1520-376
4320-01-275-0628INTERCHANGEABLE
PISTON,PUMP
7137-2
4320-01-275-2481INTERCHANGEABLE
SLEEVE,HUB,IMPELLER
19380-1

Frequently Asked Questions

What is NSN 4820-01-275-0617?

NSN 4820-01-275-0617 is a Piston,valve, manufactured by Coffin Turbo Pump Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-275-0617?

NSN 4820-01-275-0617 has 4 cross-referenced part numbers: 4879 (Coffin Turbo Pump Inc), E8256 ITEM 289 (Coffin Turbo Pump Inc), 4879 (Fmc Corp Turbo Pump Operation), E8256 (Coffin Turbo Pump Inc).

What NSN replaces 4820-01-275-0617?

There are 12 known substitutes for 4820-01-275-0617: 5342-00-013-3651, 2520-00-025-1256, 5940-00-143-4771 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4879?

Key specifications for 4879: Special Features: BRONZE; BALL TYPE; End Item Identification: 4320-00-007-2638 PUMP,CENTRIFUGAL. 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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