Tube Tee P/N 4JBU-S

Specifications

Thread class

2A

Maximum operating temp

Single Response Fahrenheit 250.0

Leg length

All Ends Inches Minimum 0.860 and Inches Maximum 0.910

Connection type

All Ends Threaded External Tube

Nominal thread size

All Ends Inches 0.438

Operating pressure

Single Response Pounds Per Square Inch (PSI) Maximum 3000.0

Seat angle

All Ends Degrees 12.0

Nominal outside diameter tube accommodated

All Ends Inches 0.250

Material

Overall Steel Comp 12L14

Material document and classification

Overall Fed STD Single Material Response 66

Media for which designed

Single Response Hydraulic Fluid

Surface treatment document and classification

Overall Assn STD Single Treatment Response J514 and MIL Spec Single Treatment Response -IL-C-81562, TY 1, CL 3

Thread series designator

All Ends UNF

Furnished items and quantity

Tube Coupling Nut W/sleeve 3

Specification/standard data

Government Standard 96906--S51811 and Professional/industrial Association Standard 81343-J514

Nondefinitive spec/std data

Figure 22B

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

4JBU-S 4-4-4 080401CA J514 MIL-F-18866 MS51811-3

Also referenced as

4JBUSS 6320B MS51811-33

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 110 on the shelf
Unit of issue	EA each
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

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FAQ

What is NSN 4730-01-008-2948?
NSN 4730-01-008-2948 (4730010082948) — Tube Tee: SECO Parts has 110 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for tube tee in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).

Is NSN 4730-01-008-2948 available?
SECO Parts has 110 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-01-008-2948 cost?
SECO typically prices parts like NSN 4730-01-008-2948 at $25–$45 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.

What part numbers cross-reference to NSN 4730-01-008-2948?
Part numbers that cross-reference this NSN include 4JBU-S, 4-4-4 080401CA, J514, MIL-F-18866, MS51811-3. It is also referenced by older, superseded or advisory numbers: 4JBUSS, 6320B, MS51811-33. SECO can quote against any of them.