Nearby stock numbers← 4730-01-318-9683 Nipple, Pipe
·
4730-01-318-9685 Tee, Pipe to Tube →
4730-01-318-9684 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Tee,pipe — FSC 4730
Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN
Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN
Nominal Pipe Size Accommodated: 1.500 INCHES THIRD END IN
Connection Style: SOCKET (PIPE) FIRST END
Connection Style: PLAIN (PIPE) THIRD END
Connection Style: SOCKET (PIPE) SECOND END
Connection Type: UNTHREADED INTERNAL PIPE FIRST END
Identification
NSN: 4730-01-318-9684
NIIN: 013189684
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 4730-01-318-9684, 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 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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.
ASTMB446 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure
150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length
2.000 INCHES NOMINAL FIRST END IN
Leg Length
2.000 INCHES NOMINAL SECOND END IN
Leg Length
2.750 INCHES NOMINAL THIRD END IN
Material
NICKEL 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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-319-34792621-754-02 PIECE 125POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-328-612514-04-1606POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-328-61262621-754-02 PC-85POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-328-612716-06-7510POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-328-612816-06-7515POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-329-72292621-754-02 PC 151POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-329-7230262175402-0091POSSIBLE MATCH
TEE,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
Reference
Meaning
4684449-T/F61
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
4684449/F61
5/2Secondary reference
U.S. Government activity
2621-754-02
D/9Drawing number reference only
U.S. Government activity
2621-754-02 PIECE 206
3/2Design control — primary reference
U.S. Government activity
4684449
D/9Drawing number reference only
U.S. Government activity
Related Parts
4730-01-319-3479POSSIBLE MATCH
TEE,PIPE
2621-754-02 PIECE 125
4730-01-328-6125POSSIBLE MATCH
TEE,PIPE
14-04-1606
4730-01-328-6126POSSIBLE MATCH
TEE,PIPE
2621-754-02 PC-85
4730-01-328-6127POSSIBLE MATCH
TEE,PIPE
16-06-7510
4730-01-328-6128POSSIBLE MATCH
TEE,PIPE
16-06-7515
4730-01-329-7229POSSIBLE MATCH
TEE,PIPE
2621-754-02 PC 151
4730-01-329-7230POSSIBLE MATCH
TEE,PIPE
262175402-0091
Frequently Asked Questions
What is NSN 4730-01-318-9684?
NSN 4730-01-318-9684 is a Tee,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-318-9684?
7 possible matches (shared part number, not a government interchangeability claim): 4730-01-319-3479, 4730-01-328-6125, 4730-01-328-6126. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-318-9684?
Key specifications for 4730-01-318-9684: Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 1.500 INCHES THIRD END IN; Connection Style: SOCKET (PIPE) FIRST END. 15 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-318-9684 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.