Tube Reducer P/N SF1018-5-6B

Specifications

Connection type

All Ends Threaded External Tube

Seat angle

First End Degrees 45.0

Material

Overall Copper Alloy

Seat angle

Second End Degrees 42.0

Nominal outside diameter tube accommodated

First End Inches 0.375

Nominal outside diameter tube accommodated

Second End Inches 0.312

Nominal thread size

First End Inches 0.625

Nominal thread size

Second End Inches 0.500

Reducer type

Concentric

Nominal overall length

Inches 1.340

Thread class

3A

Thread series designator

All Ends UNF

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

Cross-reference part numbers

SF1018-5-6B 200001-5-6B 11664715

Also referenced as

1005536-0506

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 82 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 4730-00-414-5604?
NSN 4730-00-414-5604 (4730004145604) — Tube Reducer: SECO Parts has 82 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for tube reducer in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).

Is NSN 4730-00-414-5604 available?
SECO Parts has 82 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-00-414-5604 cost?
SECO typically prices parts like NSN 4730-00-414-5604 at $30–$60 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 4730-00-414-5604?
Part numbers that cross-reference this NSN include SF1018-5-6B, 200001-5-6B, 11664715. It is also referenced by older, superseded or advisory numbers: 1005536-0506. SECO can quote against any of them.