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NSN 4730-01-358-6412Government record, cited
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Coupling Body, Tube4730-01-358-6412

NSN 4730-01-358-6412 · NIIN 013586412 · Part number C31645AB
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 00624
Government record, cited
NSN 4730-01-358-6412 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-358-6412. Manufacturer of record part number: C31645AB.
Also searched as  4730-01-358-6412 · 4730013586412 · NIIN 013586412 · 01-358-6412 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 00624 · C31645AB · 7D0260 · 7D0260-72
Nearby stock numbers  ·
L 1.760 INCHES NOMINAL IN 3A A HOSE FITTING
4730-01-358-6412 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Coupling Body,tube — FSC 4730
  • Tube Outside Diameter for Which Designed: 4.500 INCHES NOMINAL IN
  • Style Designator: FLEXIBLE COUPLING BODY
  • Outside Diameter: 5.710 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Size: 5-3/8-12
  • Screw Thread Series Designator: UN
  • Surface Treatment: ANODIZE
Identification
  • NSN: 4730-01-358-6412
  • NIIN: 013586412
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: C31645AB
  • Manufacturer: Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
General Description

The Coupling Body,tube, cataloged under National Stock Number 4730-01-358-6412, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-358-6412
Primary Part NumberC31645AB
Item NameCoupling Body,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Tube Outside Diameter for Which Designed4.500 INCHES NOMINAL IN
Style DesignatorFLEXIBLE COUPLING BODY
Outside Diameter5.710 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Size5-3/8-12
Screw Thread Series DesignatorUN
Surface TreatmentANODIZE
Thread Class3A A
MaterialALUMINUM ALLOY 2024
Working Pressure and Service Type125.0 POUNDS PER SQUARE INCH (PSI) NOMINAL JET FUEL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeN
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-358-6413C30125AR POSSIBLE MATCH
COUPLING BODY,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-358-6414C30135AR POSSIBLE MATCH
COUPLING BODY,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-369-74137D0260C80 POSSIBLE MATCH
COUPLING BODY,TUBE
Possible match (shared part number)The Boeing Company
4730-01-376-4636C30120C POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-377-4268C30115C POSSIBLE MATCH
COUPLING BODY,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-419-6436C31650AB POSSIBLE MATCH
COUPLING BODY,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-419-6437C30110AR POSSIBLE MATCH
COUPLING BODY,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-419-6439C30130AR POSSIBLE MATCH
COUPLING BODY,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-419-6442C30120AR POSSIBLE MATCH
COUPLING BODY,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
Cross-Reference Index
Part NumberManufacturer
C31645AB PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Reference documents
ReferenceMeaning
7D0260 D/9 Drawing number reference only
U.S. Government activity
C31645AB 5/9 Secondary reference
Eaton Aviation Corporation
7D0260-72 5/2 Secondary reference
U.S. Government activity
Related Parts
4730-01-358-6413POSSIBLE MATCH
COUPLING BODY,TUBE
C30125AR
4730-01-358-6414POSSIBLE MATCH
COUPLING BODY,TUBE
C30135AR
4730-01-369-7413POSSIBLE MATCH
COUPLING BODY,TUBE
7D0260C80
4730-01-376-4636POSSIBLE MATCH
COUPLING ASSEMBLY,TUBE,FLEXIBLE
C30120C
4730-01-377-4268POSSIBLE MATCH
COUPLING BODY,TUBE
C30115C
4730-01-419-6436POSSIBLE MATCH
COUPLING BODY,TUBE
C31650AB
4730-01-419-6437POSSIBLE MATCH
COUPLING BODY,TUBE
C30110AR
4730-01-419-6439POSSIBLE MATCH
COUPLING BODY,TUBE
C30130AR
4730-01-419-6442POSSIBLE MATCH
COUPLING BODY,TUBE
C30120AR

Frequently Asked Questions

What is NSN 4730-01-358-6412?

NSN 4730-01-358-6412 is a Coupling Body,tube, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-358-6412?

NSN 4730-01-358-6412 has 1 manufacturer part number on file: C31645AB (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).

What NSN replaces 4730-01-358-6412?

9 possible matches (shared part number, not a government interchangeability claim): 4730-01-358-6413, 4730-01-358-6414, 4730-01-369-7413. Verify interchangeability with system specifications before substitution.

What are the specifications of C31645AB?

Key specifications for C31645AB: Tube Outside Diameter for Which Designed: 4.500 INCHES NOMINAL IN; Style Designator: FLEXIBLE COUPLING BODY; Overall Length: 1.760 INCHES NOMINAL IN; Outside Diameter: 5.710 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-358-6412 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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