PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3751-24DElbow,tube

Transdigm Inc Div Adelwiggins Group · NSN 4730-00-876-5540 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-876-5540 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-876-5540. Primary manufacturer part number: 3751-24D.
Features
  • Elbow,tube — FSC 4730
  • Thread Class: 2A ALL ENDS A
  • Flow Angle: 90.0 DEGREES
  • Surface Treatment: ANODIZE INSIDE
  • Connection Style: PLAIN (TUBE) ALL ENDS
  • Nominal Thread Size: 1.875 INCHES ALL ENDS IN
  • Nominal Outside Diameter Tube Accommodated: 1.500 INCHES ALL ENDS IN
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy and Rubber Synthetic Body construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-876-5540, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-876-5540
Primary Part Number3751-24D
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTransdigm Inc Div Adelwiggins Group
StatusACTIVE
Thread Class2A ALL ENDS A
Flow Angle90.0 DEGREES
Surface TreatmentANODIZE INSIDE
Connection StylePLAIN (TUBE) ALL ENDS
Nominal Thread Size1.875 INCHES ALL ENDS IN
Nominal Outside Diameter Tube Accommodated1.500 INCHES ALL ENDS IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
Surface TreatmentANODIZE OUTSIDE
MaterialALUMINUM ALLOY AND RUBBER SYNTHETIC BODY
Furnished Items and Quantity2 COUPLING NUT
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Leg Length2.438 INCHES NOMINAL ALL ENDS IN
Thread Series DesignatorUNF ALL ENDS
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-409-4631 INTERCHANGEABLE
Seal,plain Encased
5930-00-549-0308682324PC4 INTERCHANGEABLE
Switch,toggle
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6105-01-020-00013751 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
5935-01-116-8223SM-C-861020 INTERCHANGEABLE
Connector Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-01-124-6430 INTERCHANGEABLE
Gasket
4820-01-294-7210375-1 INTERCHANGEABLE
Valve,check
Strataflo Products, Inc
5310-01-695-52843751 INTERCHANGEABLE
Nut,plain,knurled
Morton Machine Works
Cross-Reference Index
Part NumberManufacturer
3751-24D PRIMARY Transdigm Inc Div Adelwiggins Group (USA)
3751 Transdigm Inc Div Adelwiggins Group (USA)
Related Parts
5330-00-409-4631INTERCHANGEABLE
SEAL,PLAIN ENCASED
5930-00-549-0308INTERCHANGEABLE
SWITCH,TOGGLE
682324PC4
6105-01-020-0001INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
3751
5935-01-116-8223INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
SM-C-861020
5330-01-124-6430INTERCHANGEABLE
GASKET
4820-01-294-7210INTERCHANGEABLE
VALVE,CHECK
375-1
5310-01-695-5284INTERCHANGEABLE
NUT,PLAIN,KNURLED
3751

Frequently Asked Questions

What is NSN 4730-00-876-5540?

NSN 4730-00-876-5540 is a Elbow,tube, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-876-5540?

NSN 4730-00-876-5540 has 2 cross-referenced part numbers: 3751-24D (Transdigm Inc Div Adelwiggins Group), 3751 (Transdigm Inc Div Adelwiggins Group).

What NSN replaces 4730-00-876-5540?

There are 7 known substitutes for 4730-00-876-5540: 5330-00-409-4631, 5930-00-549-0308, 6105-01-020-0001 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3751-24D?

Key specifications for 3751-24D: Thread Class: 2A ALL ENDS A; Flow Angle: 90.0 DEGREES; Surface Treatment: ANODIZE INSIDE; Connection Style: PLAIN (TUBE) ALL ENDS. 14 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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