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NSN 4730-01-192-0414Government record, cited
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Reducer, Pipe4730-01-192-0414

NSN 4730-01-192-0414 · NIIN 011920414
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-192-0414 · 4730011920414 · NIIN 011920414 · 01-192-0414 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 2621-022-01 · 2621-022-01PIECE 160 · 15-97-0159A
Nearby stock numbers  ·
L 3.000 INCHES IN NPT FIRST END HOSE FITTING
4730-01-192-0414 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Reducer,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Overall Length: 3.000 INCHES IN
  • Connection Type: UNTHREADED EXTERNAL PIPE SECOND END
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Material Document and Classification: MIL-C-15726,COMP 70/30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Identification
  • NSN: 4730-01-192-0414
  • NIIN: 011920414
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-192-0414, 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 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-192-0414
Item NameReducer,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Connection StylePLAIN (PIPE) FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Overall Length3.000 INCHES IN
Connection TypeUNTHREADED EXTERNAL PIPE SECOND END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Material Document and ClassificationMIL-C-15726,COMP 70/30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.125 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPT FIRST END
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-278-09792621-022-01 ASSY 92 POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-307-01132621-022-01 ASSY 9 POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-309-9997262102201-188AA POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO BOSS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-318-28382621-022-01 PC 130 POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-325-40082621-022-01 ASSY 99 POSSIBLE MATCH
ELBOW,FLANGE TO HOSE
Possible match (shared part number)Triumph Manufacturing Company, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
2621-022-01 D/9 Drawing number reference only
U.S. Government activity
2621-022-01PIECE 160 5/2 Secondary reference
U.S. Government activity
15-97-0159A 3/2 Design control — primary reference
U.S. Government activity
Related Parts
4730-01-278-0979POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
2621-022-01 ASSY 92
4730-01-307-0113POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
2621-022-01 ASSY 9
4730-01-309-9997POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO BOSS
262102201-188AA
4730-01-318-2838POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
2621-022-01 PC 130
4730-01-325-4008POSSIBLE MATCH
ELBOW,FLANGE TO HOSE
2621-022-01 ASSY 99

Frequently Asked Questions

What is NSN 4730-01-192-0414?

NSN 4730-01-192-0414 is a Reducer,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-192-0414?

5 possible matches (shared part number, not a government interchangeability claim): 4730-01-278-0979, 4730-01-307-0113, 4730-01-309-9997. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-192-0414?

Key specifications for 4730-01-192-0414: Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 3.000 INCHES IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-192-0414 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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