Tube to Boss Tee P/N MS21910J4

Specifications

Thread class

3A

Surface treatment

Overall Passivate

Thread class

3B

Connection type

First End Threaded External Tube

Connection type

Second End Threaded External Boss

Maximum operating temp

Single Response Fahrenheit 275.0

Material document and classification

Overall Fed Spec Single Material Response QQ-S-763

Media for which designed

Single Response Hydraulic Fluid

Leg length

First End Inches Nominal 1.672

Leg length

Second End Inches Nominal 1.094

Specification/standard data

Government Standard 96906--S21910

Connection type

Third End Threaded Internal Boss

Surface treatment document and classification

Overall MIL Spec Single Treatment Response -IL-S-5002

Thread series designator

All Ends Unified National Joint Fine (Unjf)

Thread series designator

First End Bulkhead Unified National Joint Fine (Unjf)

Nominal outside diameter tube accommodated

First End Inches 0.250

Leg length

Third End Inches Nominal 0.750

Nominal thread size

All Ends Inches 0.438

Nominal thread size

First End Bulkhead Inches 0.438

Operating pressure

Single Response Pounds Per Square Inch (PSI) Maximum 3000.0

Seat angle

First End Degrees 12.0

Material

Overall Steel Comp 304

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

Cross-reference part numbers

MS21910J4 SAE-AS18280 AS18280 AS21910 MS21910C4

Also referenced as

MS21910-4C

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 2 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 4730-00-720-0235?
NSN 4730-00-720-0235 (4730007200235) — Tube to Boss Tee: SECO Parts has 2 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for tube to boss tee in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).

Is NSN 4730-00-720-0235 available?
SECO Parts has 2 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-00-720-0235 cost?
The government catalog (FEDLOG) lists NSN 4730-00-720-0235 at $132.61 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.

What part numbers cross-reference to NSN 4730-00-720-0235?
Part numbers that cross-reference this NSN include MS21910J4, SAE-AS18280, AS18280, AS21910, MS21910C4. It is also referenced by older, superseded or advisory numbers: MS21910-4C. SECO can quote against any of them.