PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UM1Shaft,shouldered

Circor Naval Solutions Llc Dba Warren Pumps · NSN 3040-00-394-6380 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-394-6380 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-394-6380. Primary manufacturer part number: UM1.
Features
  • Shaft,shouldered — FSC 3040
  • Largest Step Diameter: 0.499 INCHES NOMINAL IN
  • End Similarity: IDENTICAL
  • First End Style: EXTERNAL THREADED
  • Step Quantity: 3
  • First End Diameter: 0.3750 INCHES NOMINAL IN
  • Material: STEEL
  • First End External Thread Length: 0.312 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-394-6380, is classified within Federal Supply Class 3040 (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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-394-6380
Primary Part NumberUM1
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Largest Step Diameter0.499 INCHES NOMINAL IN
End SimilarityIDENTICAL
First End StyleEXTERNAL THREADED
Step Quantity3
First End Diameter0.3750 INCHES NOMINAL IN
MaterialSTEEL
First End External Thread Length0.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4420-00-051-347311268 INTERCHANGEABLE
Tool Set,condenser
Naval Inventory Control Point Mechanicsburg
2520-00-164-014511268 INTERCHANGEABLE
Yoke
Komatsu America Corporation
6680-00-229-5628UM1 INTERCHANGEABLE
Transmitter,liquid Quantity
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5965-00-316-276838369-000 INTERCHANGEABLE
Blast Valve
Stromberg-Carlson Corp a Plessey Telecommunications Co
3040-00-461-8856204459 INTERCHANGEABLE
Shaft,straight
Clark Material Handling Company
3020-00-626-760611268 INTERCHANGEABLE
Gear,worm Wheel Rec
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
2940-00-864-071711268 INTERCHANGEABLE
Filter Element,fluid
Westerbeke Corporation
6540-00-908-304311268 INTERCHANGEABLE
Ophthalmoscope
Leica Inc Surveying and Photogrammetry Systems Div
5970-01-195-071911268 INTERCHANGEABLE
Standoff,support
Grimes Aerospace Company
6685-01-250-8079 INTERCHANGEABLE
Dectector,valve Position
Cross-Reference Index
Part NumberManufacturer
BS5-2017PC59T061 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1193PC79T081 Circor Naval Solutions Llc Dba Warren Pumps (USA)
394-6380 Marine Diesel, Inc. Dba Marine Diesel (USA)
11268 Rps-Fl, Inc. Dba Rps Inc (USA)
BS5-2078PC25T027 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A-0598 Camar Corp. (USA)
UM1 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-2021PC59T061 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS7-2076PC66T068 Circor Naval Solutions Llc Dba Warren Pumps (USA)
2073PC66T068 Circor Naval Solutions Llc Dba Warren Pumps (USA)
SMS-BS5-1708 PRIMARY Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA)
BS5-2082PC25T027 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1788PC84 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1708PC79T081 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1791PC84 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1711PC79T081 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4420-00-051-3473INTERCHANGEABLE
TOOL SET,CONDENSER
11268
2520-00-164-0145INTERCHANGEABLE
YOKE
11268
6680-00-229-5628INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
UM1
5965-00-316-2768INTERCHANGEABLE
BLAST VALVE
38369-000
3040-00-461-8856INTERCHANGEABLE
SHAFT,STRAIGHT
204459
3020-00-626-7606INTERCHANGEABLE
GEAR,WORM WHEEL REC
11268
2940-00-864-0717INTERCHANGEABLE
FILTER ELEMENT,FLUID
11268
6540-00-908-3043INTERCHANGEABLE
OPHTHALMOSCOPE
11268
5970-01-195-0719INTERCHANGEABLE
STANDOFF,SUPPORT
11268
6685-01-250-8079INTERCHANGEABLE
DECTECTOR,VALVE POSITION
5999-01-295-5053INTERCHANGEABLE
DELAY LINE
712808-19

Frequently Asked Questions

What is NSN 3040-00-394-6380?

NSN 3040-00-394-6380 is a Shaft,shouldered, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-394-6380?

NSN 3040-00-394-6380 has 16 cross-referenced part numbers: BS5-2017PC59T061 (Circor Naval Solutions Llc Dba Warren Pumps), BS1193PC79T081 (Circor Naval Solutions Llc Dba Warren Pumps), 394-6380 (Marine Diesel, Inc. Dba Marine Diesel), 11268 (Rps-Fl, Inc. Dba Rps Inc), BS5-2078PC25T027 (Circor Naval Solutions Llc Dba Warren Pumps) and 11 more.

What NSN replaces 3040-00-394-6380?

There are 11 known substitutes for 3040-00-394-6380: 4420-00-051-3473, 2520-00-164-0145, 6680-00-229-5628 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UM1?

Key specifications for UM1: Largest Step Diameter: 0.499 INCHES NOMINAL IN; End Similarity: IDENTICAL; First End Style: EXTERNAL THREADED; Step Quantity: 3. 10 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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