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NSN 4730-01-178-7076Government record, cited
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Elbow, Flange to Pipe4730-01-178-7076

NSN 4730-01-178-7076 · NIIN 011787076
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-178-7076 · 4730011787076 · NIIN 011787076 · 01-178-7076 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 2621-166-04 · 516-4682428 · 2621-166-04 ASSY A88 · 4682428F24
Nearby stock numbers  ·
HOSE FITTING
4730-01-178-7076 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Elbow,flange to Pipe — FSC 4730
  • Flange Shape: RECTANGULAR WITH HOLES SECOND END
  • Flow Angle: 90.0 DEGREES
  • Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN
  • Connection Type: UNTHREADED INTERNAL PIPE FIRST END
  • Connection Type: FLANGE SECOND END
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL CORROSION RESISTING OVERALL
Identification
  • NSN: 4730-01-178-7076
  • NIIN: 011787076
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Elbow,flange to Pipe, cataloged under National Stock Number 4730-01-178-7076, 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 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-178-7076
Item NameElbow,flange to Pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Flange ShapeRECTANGULAR WITH HOLES SECOND END
Flow Angle90.0 DEGREES
Nominal Pipe Size Accommodated0.500 INCHES SECOND END IN
Connection TypeUNTHREADED INTERNAL PIPE FIRST END
Connection TypeFLANGE SECOND END
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-318-62232621-166-04 PC 202 POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-329-1844262116604-211A POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-329-1845262116604-160 POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-350-3736262116604-0142 POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-350-378314-97-2046 POSSIBLE MATCH
ELBOW,FLANGE TO PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-350-3784218022275 POSSIBLE MATCH
ELBOW,FLANGE TO PIPE
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
2621-166-04 D/9 Drawing number reference only
U.S. Government activity
516-4682428 D/9 Drawing number reference only
U.S. Government activity
2621-166-04 ASSY A88 3/2 Design control — primary reference
U.S. Government activity
4682428F24 5/2 Secondary reference
U.S. Government activity
Related Parts
4730-01-318-6223POSSIBLE MATCH
ELBOW,PIPE
2621-166-04 PC 202
4730-01-329-1844POSSIBLE MATCH
ELBOW,PIPE
262116604-211A
4730-01-329-1845POSSIBLE MATCH
ELBOW,PIPE
262116604-160
4730-01-350-3736POSSIBLE MATCH
ELBOW,PIPE
262116604-0142
4730-01-350-3783POSSIBLE MATCH
ELBOW,FLANGE TO PIPE
14-97-2046
4730-01-350-3784POSSIBLE MATCH
ELBOW,FLANGE TO PIPE
218022275

Frequently Asked Questions

What is NSN 4730-01-178-7076?

NSN 4730-01-178-7076 is a Elbow,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-178-7076?

6 possible matches (shared part number, not a government interchangeability claim): 4730-01-318-6223, 4730-01-329-1844, 4730-01-329-1845. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-178-7076?

Key specifications for 4730-01-178-7076: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN; Connection Type: UNTHREADED INTERNAL PIPE FIRST END. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-178-7076 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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