PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D203Bushing,sleeve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 3120-00-707-5042 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-707-5042 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-707-5042. Primary manufacturer part number: D203.
Features
  • Bushing,sleeve — FSC 3120
  • Material: STEEL CORROSION RESISTING OVERALL
  • Body Inside Diameter: 1.8750 INCHES NOMINAL IN
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: CHAMFERED INSIDE LEFT CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Body Outside Diameter: 2.2500 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-707-5042, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-707-5042
Primary Part NumberD203
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Body Inside Diameter1.8750 INCHES NOMINAL IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeCHAMFERED INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Body Outside Diameter2.2500 INCHES NOMINAL IN
Keyway Dimension0.1880 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-142-4330B541 INTERCHANGEABLE
Bearing,ball,airframe
Fag Bearings Corporation
5910-00-644-62043118585 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Chrysler Corp Engine and Components Sales Diversified Products Div
5905-00-660-6930D203 INTERCHANGEABLE
Resistor,thermal
Therm-O-Disc Inc Sub of Emerson Electric Co
5985-00-754-96189065953 INTERCHANGEABLE
Radome
Us Army Aviation and Missile Command
3040-00-989-34060200300 INTERCHANGEABLE
Ring,piston
Mississippi Valley Equipment Co
6650-01-059-2737 INTERCHANGEABLE
Oil Standards,special
Cross-Reference Index
Part NumberManufacturer
D203 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
707-5042 PRIMARY Marine Diesel, Inc. Dba Marine Diesel (USA)
55-22367-20 Euramco Safety Inc (USA)
CS7075042 Calabrese & Sons, Inc. (USA)
Related Parts
3110-00-142-4330INTERCHANGEABLE
BEARING,BALL,AIRFRAME
B541
5910-00-644-6204INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
3118585
5905-00-660-6930INTERCHANGEABLE
RESISTOR,THERMAL
D203
5985-00-754-9618INTERCHANGEABLE
RADOME
9065953
3040-00-989-3406INTERCHANGEABLE
RING,PISTON
0200300
6650-01-059-2737INTERCHANGEABLE
OIL STANDARDS,SPECIAL

Frequently Asked Questions

What is NSN 3120-00-707-5042?

NSN 3120-00-707-5042 is a Bushing,sleeve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-707-5042?

NSN 3120-00-707-5042 has 4 cross-referenced part numbers: D203 (Circor Naval Solutions Llc Dba Warren Pumps), 707-5042 (Marine Diesel, Inc. Dba Marine Diesel), 55-22367-20 (Euramco Safety Inc), CS7075042 (Calabrese & Sons, Inc.).

What NSN replaces 3120-00-707-5042?

There are 6 known substitutes for 3120-00-707-5042: 3110-00-142-4330, 5910-00-644-6204, 5905-00-660-6930 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D203?

Key specifications for D203: Material: STEEL CORROSION RESISTING OVERALL; Body Inside Diameter: 1.8750 INCHES NOMINAL IN; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Overall Length: 4.0000 INCHES NOMINAL IN. 11 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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