Straight Tube to Boss Adapter P/N MS51525A5S

Specifications

Thread class

2A

Operating pressure

Single Response Pounds Per Square Inch (PSI) Maximum 3000.0

Surface treatment document and classification

Overall Fed Spec Single Treatment Response QQ--35,Tye 2

Thread series designator

All Ends UNF

Nominal outside diameter tube accommodated

First End Inches 0.312

Material

Overall Steel Corrosion Resisting

Connection type

Second End Threaded External Boss

Nominal thread size

All Ends Inches 0.500

Specification/standard data

Government Standard 96906--S51525 and Professional/industrial Association Standard 81343-J514

Nondefinitive spec/std data

Figure 3B

Surface treatment

Overall Passivate

Furnished items and quantity

Tube Coupling Nut W/sleeve 1 and Preformed Packing 1

Connection type

First End Threaded External Tube

Seat angle

First End Degrees 37.0

Media for which designed

Single Response Hydraulic Fluid

Nominal overall length

Inches 1.230

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

Cross-reference part numbers

MS51525A5S 5F5X-SS 5F5BXSS 5-5 070120SA J514

Also referenced as

MS51525B5S

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 9 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.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 4730-00-383-4002?
NSN 4730-00-383-4002 (4730003834002) — Straight Tube to Boss Adapter: SECO Parts has 9 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for straight tube to boss adapter in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).

Is NSN 4730-00-383-4002 available?
SECO Parts has 9 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-00-383-4002 cost?
SECO typically prices parts like NSN 4730-00-383-4002 at $35–$75 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 does NSN 4730-00-383-4002 fit?
The federal catalog lists NSN 4730-00-383-4002 as used on: Ukm Tank, Combat, FT, 120MM Gun (M1A1).

What part numbers cross-reference to NSN 4730-00-383-4002?
Part numbers that cross-reference this NSN include MS51525A5S, 5F5X-SS, 5F5BXSS, 5-5 070120SA, J514. It is also referenced by older, superseded or advisory numbers: MS51525B5S. SECO can quote against any of them.