PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13514Reducer,tube

Triumph Engine Control Systems Llc · NSN 4730-00-037-7850 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-037-7850 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-037-7850. Primary manufacturer part number: 13514.
Features
  • Reducer,tube — FSC 4730
  • Thread Series Designator: UNF ALL ENDS
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
  • Reducer Type: CONCENTRIC
  • Connection Style: INVERTED FLARE (TUBE) ALL ENDS
  • Thread Class: 3A ALL ENDS A
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-037-7850, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4730-00-037-7850
Primary Part Number13514
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Thread Series DesignatorUNF ALL ENDS
MaterialSTEEL OVERALL
Nominal Thread Size0.438 INCHES FIRST END IN
Nominal Thread Size0.375 INCHES SECOND END IN
Reducer TypeCONCENTRIC
Connection StyleINVERTED FLARE (TUBE) ALL ENDS
Thread Class3A ALL ENDS A
Reduced Passage Nominal Inside Diameter0.230 INCHES SECOND END IN
Seat Angle37.0 DEGREES ALL ENDS
Reduced Passage Nominal Inside Diameter0.190 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated0.371 INCHES SECOND END IN
Nominal Overall Length0.900 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2540-00-085-77721-3514 INTERCHANGEABLE
Drawbar,dolley Set
Pdi Ground Support Systems, Inc.
3110-00-198-1783 INTERCHANGEABLE
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3930-00-612-0773 INTERCHANGEABLE
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5950-01-148-8478SM-A-837759-2 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5355-01-226-7569 INTERCHANGEABLE
Bearing,radial
6240-01-344-693432B10C/W/4M/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5360-01-355-8566 INTERCHANGEABLE
Spring
5330-01-471-699313514 INTERCHANGEABLE
Seal,plain
Skf Usa Inc Div Vsm
6515-01-577-6106245.081 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
3030-01-618-410813514 INTERCHANGEABLE
Belt,positive Drive
Sonic Air Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
CS-4730-0017 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
13514 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
2540-00-085-7772INTERCHANGEABLE
DRAWBAR,DOLLEY SET
1-3514
3110-00-198-1783INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3930-00-612-0773INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
5950-01-148-8478INTERCHANGEABLE
TRANSFORMER,POWER
SM-A-837759-2
5355-01-226-7569INTERCHANGEABLE
BEARING,RADIAL
6240-01-344-6934INTERCHANGEABLE
LAMP,INCANDESCENT
32B10C/W/4M/SS/120V
5360-01-355-8566INTERCHANGEABLE
SPRING
5330-01-471-6993INTERCHANGEABLE
SEAL,PLAIN
13514
6515-01-577-6106INTERCHANGEABLE
BONE PLATE
245.081
3030-01-618-4108INTERCHANGEABLE
BELT,POSITIVE DRIVE
13514
1005-01-628-5021INTERCHANGEABLE
PLATE,BUTT,SHOULDER GUN STOCK
13514

Frequently Asked Questions

What is NSN 4730-00-037-7850?

NSN 4730-00-037-7850 is a Reducer,tube, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-037-7850?

NSN 4730-00-037-7850 has 2 cross-referenced part numbers: CS-4730-0017 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 13514 (Triumph Engine Control Systems Llc).

What NSN replaces 4730-00-037-7850?

There are 11 known substitutes for 4730-00-037-7850: 2540-00-085-7772, 3110-00-198-1783, 3930-00-612-0773 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13514?

Key specifications for 13514: Thread Series Designator: UNF ALL ENDS; Material: STEEL OVERALL; Nominal Thread Size: 0.438 INCHES FIRST END IN; Nominal Thread Size: 0.375 INCHES SECOND END IN. 12 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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