Quick Disconnect Coupling Half P/N 51245-1

Specifications

Thread class

3A

Overall length

1.623–1.629 in

Leg length

0.550 in (nominal)

Connection type

First Fluid End Connection Threaded External Tube

Connection type

First Quick Disconnect End Internal Quick Disconnect

Thread quantity per inch

12

Nominal thread size

First Fluid End Connection Inches 1.062

Nominal outside diameter tube accommodated

First Fluid End Connection Inches 0.750

Part name assigned by controlling agency

Quick Disconnect, Blind Mate

Material

Body Steel Corrosion Resisting

Media for which designed

First Response Hydraulic Fluid, Synthetic Hydrocarbon Base

Media for which designed

Second Response Ethylene Glycol/water Mixture

Surface treatment

Body Passivate

Thread series designator

First Fluid End Connection Unified National Joint (Unj)

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

Cross-reference part numbers

51245-1 12438463-1

Also referenced as

12438463

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 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 4730-01-539-9881?
NSN 4730-01-539-9881 (4730015399881) — Quick Disconnect Coupling Half: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for quick disconnect coupling half in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).

Is NSN 4730-01-539-9881 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-01-539-9881 cost?
SECO lists NSN 4730-01-539-9881 at $849.22 on its online store for card checkout; request a quote for quantity or to buy on a purchase order.

What does NSN 4730-01-539-9881 fit?
The federal catalog lists NSN 4730-01-539-9881 as used on: NSN: Combat Full Tracked Tank (2350-01-328-5964).

What part numbers cross-reference to NSN 4730-01-539-9881?
Part numbers that cross-reference this NSN include 51245-1, 12438463-1. It is also referenced by older, superseded or advisory numbers: 12438463. SECO can quote against any of them.