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NSN 4730-01-143-2869Government record, cited
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Union, Pipe4730-01-143-2869

NSN 4730-01-143-2869 · NIIN 011432869
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-143-2869 · 4730011432869 · NIIN 011432869 · 01-143-2869 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 2632-500X11 · 845-2445110ASSY · 2632-500X11 ASSY DE · 2445110-00DE · 845-2445110 ASSY DE
Nearby stock numbers  ·
L 2.060 INCHES IN NPT FIRST END HOSE FITTING
4730-01-143-2869 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Union,pipe — FSC 4730
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Overall Length: 2.060 INCHES IN
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Thread Size: 1.750 INCHES SECOND END IN
Identification
  • NSN: 4730-01-143-2869
  • NIIN: 011432869
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Union,pipe, cataloged under National Stock Number 4730-01-143-2869, 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 14 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-143-2869
Item NameUnion,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Connection StylePLAIN (PIPE) FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Overall Length2.060 INCHES IN
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Operating Pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size1.750 INCHES SECOND END IN
Nominal Thread Size0.500 INCHES FIRST END IN
Maximum Operating Temp228.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class2A SECOND END A
Thread Quantity Per Inch12 SECOND END
MaterialNICKEL ALLOY OVERALL
Thread Series DesignatorUN SECOND END
Thread Series DesignatorNPT FIRST END
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.
4730-01-184-68322445110-00BU POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-189-72992632-500X11ASSY DJ POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-191-64412445110-00CP POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO BOSS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-191-64432445110-00CR POSSIBLE MATCH
ELBOW,PIPE TO BOSS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-192-158014-02-2751 POSSIBLE MATCH
UNION,TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-193-198614-02-2754 POSSIBLE MATCH
UNION,TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-213-847687744-3005F11 POSSIBLE MATCH
UNION,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
2632-500X11 D/9 Drawing number reference only
U.S. Government activity
845-2445110ASSY C/1 Advisory reference — outside the item-of-supply concept
U.S. Government activity
2632-500X11 ASSY DE 3/2 Design control — primary reference
U.S. Government activity
2445110-00DE 3/2 Design control — primary reference
U.S. Government activity
845-2445110 ASSY DE 3/2 Design control — primary reference
U.S. Government activity
Related Parts
4730-01-184-6832POSSIBLE MATCH
UNION,PIPE
2445110-00BU
4730-01-189-7299POSSIBLE MATCH
UNION,PIPE
2632-500X11ASSY DJ
4730-01-191-6441POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO BOSS
2445110-00CP
4730-01-191-6443POSSIBLE MATCH
ELBOW,PIPE TO BOSS
2445110-00CR
4730-01-192-1580POSSIBLE MATCH
UNION,TUBE
14-02-2751
4730-01-193-1986POSSIBLE MATCH
UNION,TUBE
14-02-2754
4730-01-213-8476POSSIBLE MATCH
UNION,PIPE
87744-3005F11

Frequently Asked Questions

What is NSN 4730-01-143-2869?

NSN 4730-01-143-2869 is a Union,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-143-2869?

7 possible matches (shared part number, not a government interchangeability claim): 4730-01-184-6832, 4730-01-189-7299, 4730-01-191-6441. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-143-2869?

Key specifications for 4730-01-143-2869: Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 2.060 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 14 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-143-2869 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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