PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

044Coupling,shaft,rigid

Circor Naval Solutions Llc Dba Warren Pumps · NSN 3010-00-294-8858 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-294-8858 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-294-8858. Primary manufacturer part number: 044.
Features
  • Coupling,shaft,rigid — FSC 3010
  • Overall Diameter: 4.495 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
  • Style Designator: PLAIN FLANGE
  • Features Provided: KEYWAY AND BORE COUNTERBORE
  • Bore Shape: TAPERED BOTH ENDS
  • Body Material: STEEL
  • Taper Largest Diameter: 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM FIRST END IN
  • 5 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-294-8858, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-294-8858
Primary Part Number044
Item NameCoupling,shaft,rigid
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Overall Diameter4.495 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
Style DesignatorPLAIN FLANGE
Features ProvidedKEYWAY AND BORE COUNTERBORE
Bore ShapeTAPERED BOTH ENDS
Body MaterialSTEEL
Taper Largest Diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4940-00-343-5877044 INTERCHANGEABLE
Adapter,valve Grind
Leavitt Machine Co Dba Dexter Precision Products Div Dexter Innovative Solutions Llc CAGE 6dqd2 Has Purchase Leav
5999-00-729-7271 INTERCHANGEABLE
Shielding Gasket,electronic
3419-01-498-3973044 INTERCHANGEABLE
Key Duplicating Machine
Ilco Unican Corp Dba Wolf Sales
8145-01-529-9628044 INTERCHANGEABLE
Container,lead with
Pikes Peak Cargo Secure, Inc
5331-01-563-2948044 INTERCHANGEABLE
O-Ring
Williamsrdm, Inc.
Cross-Reference Index
Part NumberManufacturer
044 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
52AND56 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1495PC15-16 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1499PC20T022-28-29 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS4-1500PC20T022-28-29 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4940-00-343-5877INTERCHANGEABLE
ADAPTER,VALVE GRIND
044
5999-00-729-7271INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
3419-01-498-3973INTERCHANGEABLE
KEY DUPLICATING MACHINE
044
8145-01-529-9628INTERCHANGEABLE
CONTAINER,LEAD WITH
044
5331-01-563-2948INTERCHANGEABLE
O-RING
044

Frequently Asked Questions

What is NSN 3010-00-294-8858?

NSN 3010-00-294-8858 is a Coupling,shaft,rigid, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-294-8858?

NSN 3010-00-294-8858 has 5 cross-referenced part numbers: 044 (Circor Naval Solutions Llc Dba Warren Pumps), 52AND56 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1495PC15-16 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1499PC20T022-28-29 (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1500PC20T022-28-29 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 3010-00-294-8858?

There are 5 known substitutes for 3010-00-294-8858: 4940-00-343-5877, 5999-00-729-7271, 3419-01-498-3973 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 044?

Key specifications for 044: Special Features: LARGE END OF COUPLING HAS RAISED FACE,2.249 IN. PLUS 0.000 MINUS 0.001 DIA AND 1/16 IN. H WHICH FITS INTO SECOND STEP OF COUNTERBORE ON SMALL END OF COUPLING; COUNTERBORE DIA: FIRST END, 1.625 IN. NOMINAL; SECOND END, 2.250 IN. AND 2.251 IN.; COUNTERBORE DEPTH: FIRST END, 0.438 IN. NOMINAL; SECOND END, 0.375 AND 0.125 IN.; TAPER LENGTH: FIRST END, 1.625 IN. NOMINAL; SECOND END, 1.560 IN. MINIMUM AND 1.563 IN. MAXIMUM; DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY: 0.484 IN. NOMINAL; FLANGE WIDTH: 1.125 IN. NOMINAL; FURNISHED ITEMS: 4 BOLTS, 4 NUTS, 4 JAM NUTS; TAPER PER FOOT, BOTH ENDS, 0.500 IN. NOMINAL; HUB DIAMETER: 2.000 IN. NOMINAL; 1 KEYING FACILITY PROVIDED; KEYING FACILITY WIDTH: 0.188 IN. NOMINAL; KEYING FACILITY LENGTH: 1.188 IN. NOMINAL IN; Overall Diameter: 4.495 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGE; Features Provided: KEYWAY AND BORE COUNTERBORE. 8 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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