Straight Pipe to Tube Adapter P/N MIL-F-18866

Specifications

Thread class

2A

Maximum operating temp

Single Response Fahrenheit 250.0

Connection type

First End Threaded External Tube

Connection type

Second End Threaded External Pipe

Nominal thread size

First End Inches 0.562

Nominal thread size

Second End Inches 0.250

Operating pressure

Single Response Pounds Per Square Inch (PSI) Maximum 3000.0

Seat angle

First End Degrees 12.0

Nominal outside diameter tube accommodated

First End Inches 0.375

Nominal overall length

Inches 1.340

Special features

Grumman Aircraft Model NO.A10

Material

Overall Steel

Media for which designed

Single Response Hydraulic Fluid

Surface treatment

Overall Cadmium

Surface treatment document and classification

Outside Fed Spec Single Treatment Response QQ--416

Surface treatment document and classification

Inside Fed Spec Single Treatment Response QQ--416

Thread series designator

Second End NPTF

Thread series designator

First End UNF

Specification/standard data

Government Standard 96906--S51819

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

Cross-reference part numbers

MIL-F-18866 MS51819-37

Also referenced as

MSS1819-37SS

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 1,240 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 4730-01-035-7544?
NSN 4730-01-035-7544 (4730010357544) — Straight Pipe to Tube Adapter: SECO Parts has 1,240 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for straight pipe to tube adapter in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).

Is NSN 4730-01-035-7544 available?
SECO Parts has 1240 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-01-035-7544 cost?
NSN 4730-01-035-7544 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.

What part numbers cross-reference to NSN 4730-01-035-7544?
Part numbers that cross-reference this NSN include MIL-F-18866, MS51819-37. It is also referenced by older, superseded or advisory numbers: MSS1819-37SS. SECO can quote against any of them.