PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-4572 PIECE 57Ring,piston

Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company · NSN 3040-01-242-1294 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-242-1294 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-242-1294. Primary manufacturer part number: C-4572 PIECE 57.
Features
  • Ring,piston — FSC 3040
  • Radial Wall Thickness: 0.8380 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,piston, cataloged under National Stock Number 3040-01-242-1294, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-242-1294
Primary Part NumberC-4572 PIECE 57
Item NameRing,piston
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRuggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
StatusACTIVE
Radial Wall Thickness0.8380 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-126-18726KP36-2 PL1056 INTERCHANGEABLE
Cartridge,shut-Off Valve
Hydrasearch Company, Llc
4820-01-184-9371803-6397247-2111 INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
1660-01-384-19863314765-1 INTERCHANGEABLE
Valve,discharge,aircraft
Lockheed Martin Corp
1660-01-510-1166102150-2 INTERCHANGEABLE
Valve,discharge,aircraft
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
3 314 765 Naval Ship Systems Command (USA)
C-4572 PIECE 57 PRIMARY Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company (USA)
C-4572 Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company (USA)
3 314 765 PIECE 57 Naval Ship Systems Command (USA)
Related Parts
4820-01-126-1872INTERCHANGEABLE
CARTRIDGE,SHUT-OFF VALVE
6KP36-2 PL1056
4820-01-184-9371INTERCHANGEABLE
VALVE,GLOBE
803-6397247-2111
1660-01-384-1986INTERCHANGEABLE
VALVE,DISCHARGE,AIRCRAFT
3314765-1
1660-01-510-1166INTERCHANGEABLE
VALVE,DISCHARGE,AIRCRAFT
102150-2

Frequently Asked Questions

What is NSN 3040-01-242-1294?

NSN 3040-01-242-1294 is a Ring,piston, manufactured by Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-242-1294?

NSN 3040-01-242-1294 has 4 cross-referenced part numbers: 3 314 765 (Naval Ship Systems Command), C-4572 PIECE 57 (Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company), C-4572 (Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company), 3 314 765 PIECE 57 (Naval Ship Systems Command).

What NSN replaces 3040-01-242-1294?

There are 4 known substitutes for 3040-01-242-1294: 4820-01-126-1872, 4820-01-184-9371, 1660-01-384-1986 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C-4572 PIECE 57?

Key specifications for C-4572 PIECE 57: Overall Width: 0.1250 INCHES NOMINAL IN; Radial Wall Thickness: 0.8380 INCHES NOMINAL 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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