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NSN 4730-01-329-2166Government record, cited
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Elbow, Flange to Hose4730-01-329-2166

NSN 4730-01-329-2166 · NIIN 013292166
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-329-2166 · 4730013292166 · NIIN 013292166 · 01-329-2166 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · M24136/1BIII80 · MIL-DTL-24787/1 · MIL-F-24787 · MIL-F-24787/1 · MIL-H-24136/1
Nearby stock numbers  ·
L 7.000 INCHES NOMINAL FIRST END IN ⌀5.000 INCHES FIRST END IN HOSE FITTING
4730-01-329-2166 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Elbow,flange to Hose — FSC 4730
  • Flange Shape: ROUND WITH HOLES FIRST END
  • Flow Angle: 90.0 DEGREES
  • Flange Face Design: RAISED STRAIGHT FIRST END
  • Connection Style: PLAIN (HOSE) SECOND END
  • Bolt Circle Nominal Diameter: 5.000 INCHES FIRST END IN
  • Nominal Inside Diameter Hose Accommodated: 5.023 INCHES SECOND END IN
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
Identification
  • NSN: 4730-01-329-2166
  • NIIN: 013292166
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Elbow,flange to Hose, cataloged under National Stock Number 4730-01-329-2166, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-329-2166
Item NameElbow,flange to Hose
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Flange ShapeROUND WITH HOLES FIRST END
Flow Angle90.0 DEGREES
Flange Face DesignRAISED STRAIGHT FIRST END
Connection StylePLAIN (HOSE) SECOND END
Bolt Circle Nominal Diameter5.000 INCHES FIRST END IN
Nominal Inside Diameter Hose Accommodated5.023 INCHES SECOND END IN
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Connection TypeFLANGE FIRST END
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Bolt Hole Nominal Diameter0.750 INCHES FIRST END IN
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length7.000 INCHES NOMINAL FIRST END IN
Leg Length8.750 INCHES NOMINAL SECOND END IN
Specification/standard Data81349-MIL-F-24787 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std Data3 TYPE
Nominal Outside Diameter6.500 INCHES FIRST END IN
Bolt Hole Quantity8 FIRST END
MaterialNICKEL ALLOY OVERALL
Raised Face Nominal Diameter4.188 INCHES FIRST END IN
Raised Face Nominal Height0.062 INCHES FIRST END IN
Nominal Thickness0.875 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-331-6613MIL-DTL-24787/1-80TYFIII POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO HOSE
Possible match (shared part number)Naval Ship Systems Command
4720-01-450-4083 POSSIBLE MATCH
HOSE,NONMETALLIC
Possible match (shared part number)
4730-01-503-2825CMC-8-5150-8080 POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO HOSE
Possible match (shared part number)Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc
4730-01-503-2850218000109R POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO HOSE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-503-2875EB3461/1-96TYAV,6INNPS POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO HOSE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-513-45882633-225-01 ASSY 76 POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-513-53842633-225-01 ASSY 77 POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
M24136/1BIII80 5/9 Secondary reference
U.S. Government activity
MIL-DTL-24787/1 4/1 Identification reference
U.S. Government activity
MIL-F-24787 5/9 Secondary reference
U.S. Government activity
MIL-F-24787/1 5/1 Secondary reference
U.S. Government activity
MIL-H-24136/1 5/9 Secondary reference
U.S. Government activity
MIL-F-24787/1 IX FL 2/2 Government specification standardization
U.S. Government activity
Related Parts
4730-01-331-6613POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO HOSE
MIL-DTL-24787/1-80TYFIII
4720-01-450-4083POSSIBLE MATCH
HOSE,NONMETALLIC
4730-01-503-2825POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO HOSE
CMC-8-5150-8080
4730-01-503-2850POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO HOSE
218000109R
4730-01-503-2875POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO HOSE
EB3461/1-96TYAV,6INNPS
4720-01-513-4588POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
2633-225-01 ASSY 76
4720-01-513-5384POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
2633-225-01 ASSY 77

Frequently Asked Questions

What is NSN 4730-01-329-2166?

NSN 4730-01-329-2166 is a Elbow,flange to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-329-2166?

7 possible matches (shared part number, not a government interchangeability claim): 4730-01-331-6613, 4720-01-450-4083, 4730-01-503-2825. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-329-2166?

Key specifications for 4730-01-329-2166: Flange Shape: ROUND WITH HOLES FIRST END; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED STRAIGHT FIRST END; Connection Style: PLAIN (HOSE) SECOND END. 21 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-329-2166 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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