FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as4730-01-187-2040 ·
4730011872040 ·
NIIN 011872040 ·
01-187-2040 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · SS545-1701701 · SS545-1701701 CL3300 IT22
Nearby stock numbers← 4730-01-187-2039 Tee, Pipe
·
4730-01-187-2041 Tee, Tube →
4730-01-187-2040 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Tee,pipe — FSC 4730
Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN
Connection Style: SOCKET (PIPE) ALL ENDS
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Material Document and Classification: MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure: 3300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length: 1.000 INCHES NOMINAL ALL ENDS IN
Pipe Wall Thickness Designation for Which Designed: SCHEDULE STD FIRST END
Identification
NSN: 4730-01-187-2040
NIIN: 011872040
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Tee,pipe, cataloged under National Stock Number 4730-01-187-2040, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure
3300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length
1.000 INCHES NOMINAL ALL ENDS IN
Pipe Wall Thickness Designation for Which Designed
SCHEDULE STD FIRST END
Media for Which Designed
WATER-OIL-GAS SINGLE RESPONSE
Material
COPPER ALLOY OVERALL
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-198-2781POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)
4730-01-198-2783POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)
4730-01-198-2786POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)
4730-01-198-2792POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)
4730-01-198-2794POSSIBLE MATCH
COUPLING,PIPE
Possible match (shared part number)
4730-01-198-27961701701 IT65POSSIBLE MATCH
COUPLING,PIPE
Possible match (shared part number)Portsmouth Naval Shipyard
4730-01-198-27971701701 IT 64POSSIBLE MATCH
COUPLING,PIPE
Possible match (shared part number)Portsmouth Naval Shipyard
4730-01-215-8711SS-545-1701701 3/8 IN.IPSPOSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-215-8712SS-545-1701701 1/2 IN.IPSPOSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SS545-1701701
D/9Drawing number reference only
U.S. Government activity
SS545-1701701 CL3300 IT22
3/2Design control — primary reference
U.S. Government activity
Related Parts
4730-01-198-2781POSSIBLE MATCH
ELBOW,PIPE
4730-01-198-2783POSSIBLE MATCH
ELBOW,PIPE
4730-01-198-2786POSSIBLE MATCH
ELBOW,PIPE
4730-01-198-2792POSSIBLE MATCH
TEE,PIPE
4730-01-198-2794POSSIBLE MATCH
COUPLING,PIPE
4730-01-198-2796POSSIBLE MATCH
COUPLING,PIPE
1701701 IT65
4730-01-198-2797POSSIBLE MATCH
COUPLING,PIPE
1701701 IT 64
4730-01-215-8711POSSIBLE MATCH
TEE,PIPE
SS-545-1701701 3/8 IN.IPS
4730-01-215-8712POSSIBLE MATCH
TEE,PIPE
SS-545-1701701 1/2 IN.IPS
Frequently Asked Questions
What is NSN 4730-01-187-2040?
NSN 4730-01-187-2040 is a Tee,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-187-2040?
9 possible matches (shared part number, not a government interchangeability claim): 4730-01-198-2781, 4730-01-198-2783, 4730-01-198-2786. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-187-2040?
Key specifications for 4730-01-187-2040: Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-187-2040 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.