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 4730-01-137-3068, 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 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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.
81346-ASTM D2467 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Pipe Wall Thickness Designation for Which Designed
SCHEDULE 80 SECOND END
Material
PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Thread Series Designator
NPT FIRST END
Reducer Type
CONCENTRIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-137-307013221E8312-20POSSIBLE MATCH
REDUCER,PIPE
Possible match (shared part number)Cecom Lr Center
4730-01-137-307213221E8317-21POSSIBLE MATCH
REDUCER,PIPE
Possible match (shared part number)Cecom Lr Center
4730-01-137-307413221E8317-16POSSIBLE MATCH
REDUCER,PIPE
Possible match (shared part number)Cecom Lr Center
4730-01-137-307613221E8317-22POSSIBLE MATCH
REDUCER,PIPE
Possible match (shared part number)Cecom Lr Center
4730-01-137-307913221E8312-18POSSIBLE MATCH
REDUCER,PIPE
Possible match (shared part number)Cecom Lr Center
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
ANSI/ASTMF439
3/1Design control — primary reference
U.S. Government activity
ASTM D2467
5/9Secondary reference
U.S. Government activity
13221E8312-15
3/2Design control — primary reference
U.S. Government activity
Related Parts
4730-01-137-3070POSSIBLE MATCH
REDUCER,PIPE
13221E8312-20
4730-01-137-3072POSSIBLE MATCH
REDUCER,PIPE
13221E8317-21
4730-01-137-3074POSSIBLE MATCH
REDUCER,PIPE
13221E8317-16
4730-01-137-3076POSSIBLE MATCH
REDUCER,PIPE
13221E8317-22
4730-01-137-3079POSSIBLE MATCH
REDUCER,PIPE
13221E8312-18
Frequently Asked Questions
What is NSN 4730-01-137-3068?
NSN 4730-01-137-3068 is a Reducer,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-137-3068?
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-137-3070, 4730-01-137-3072, 4730-01-137-3074. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-137-3068?
Key specifications for 4730-01-137-3068: Nominal Pipe Size Accommodated: 1.500 INCHES SECOND END IN; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Thread Size: 0.500 INCHES FIRST END IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-137-3068 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.