Tube to Boss Tee P/N 12S5BXS

Specifications

Thread class

2A

Maximum operating temp

First Response Fahrenheit 250.0

Maximum operating temp

Second Response Fahrenheit -65.0

Leg length

First End Inches Nominal 1.656

Leg length

Second End Inches Nominal 1.656

Leg length

Third End Inches Nominal 1.938

Connection type

First End Threaded External Tube

Connection type

Second End Threaded External Tube

Connection type

Third End Threaded External Boss

Thread quantity per inch

12

Nominal thread size

All Ends Inches 1.062

Operating pressure

Single Response Pounds Per Square Inch (PSI) Maximum 3000.0

Seat angle

First End Degrees 37.0

Seat angle

Second End Degrees 37.0

Nominal outside diameter tube accommodated

First End Inches 0.750

Nominal outside diameter tube accommodated

Second End Inches 0.750

Material

Gasket Rubber Synthetic

Material

Lock Nut Steel

Material

Lock Ring Steel

Material

Nut Steel

Material

Tee Steel Comp 12L14 or Steel

Material document and classification

Tee Fed STD Single Material Response 66,Aisi 12L14

Media for which designed

First Response Hydraulic Fluid

Media for which designed

Second Response Air

Surface treatment

Tee Cadmium and Chromate

Thread series designator

All Ends UN

Furnished items and quantity

Flared Sleeve 2 and Short Coupling Nut 2 and Preformed Packing 1 and Locknut 1 and Flat Washer 1

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

Cross-reference part numbers

12S5BXS 845-FS0-12X12

Also referenced as

218-5185

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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	J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 8 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 4730-00-050-5640?
NSN 4730-00-050-5640 (4730000505640) — Tube to Boss Tee: SECO Parts has 8 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 4730-00-050-5640 available?
SECO Parts has 8 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-00-050-5640 cost?
SECO typically prices parts like NSN 4730-00-050-5640 at $30–$70 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 4730-00-050-5640?
Part numbers that cross-reference this NSN include 12S5BXS, 845-FS0-12X12. It is also referenced by older, superseded or advisory numbers: 218-5185. SECO can quote against any of them.