Straight Tube to Boss Adapter P/N 10011971

Specifications

Nominal thread size

Second End Inches 1.312

Material document and classification

Overall Fed STD Single Material Response 66

Media for which designed

First Response Hydraulic Fluid

Media for which designed

Second Response Air

Surface treatment document and classification

Overall Assn STD Single Treatment Response J514 and MIL Spec Single Treatment Response -IL-C-81562, TY 1, CL 3

Nominal outside diameter tube accommodated

First End Inches 0.750

Furnished items and quantity

Preformed Packing 1 and Tube Coupling Nut W/sleeve 1

Specification/standard data

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

Nominal overall length

Inches 2.000

Maximum operating temp

Single Response Celsius 250.0

Connection type

First End Threaded External Tube

Connection type

Second End Threaded External Boss

Nondefinitive spec/std data

Figure 34

Thread class

2A

Operating pressure

Single Response Pounds Per Square Inch (PSI) Maximum 3000.0

Thread series designator

All Ends UN

Nominal thread size

First End Inches 1.062

Thread quantity per inch

12

Seat angle

First End Degrees 37.0

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

Cross-reference part numbers

10011971 MS51525A12-16 12-16F5BX-S 18556FX 10505687 MILF18866 84000905-021 2001645361 202702-16-12S 202702T-12-16S

Also referenced as

6400-12-16-0 12-16F5BX-SS 12-16F50X-SS 6400-12-16 5224-6400-12-16 0503-16-12 36084 4592605 ITEM 50 7-445-121643 218-5077 10398006

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 532 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 4730-00-173-1881?
NSN 4730-00-173-1881 (4730001731881) — Straight Tube to Boss Adapter: SECO Parts has 532 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 4730-00-173-1881 available?
SECO Parts has 532 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-00-173-1881 cost?
SECO typically prices parts like NSN 4730-00-173-1881 at $30–$55 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 4730-00-173-1881 fit?
The federal catalog lists NSN 4730-00-173-1881 as used on: 20 Ton Wheel Mounted Crane,Harnischfeger Model M320RT; Palletized Loading Truck (2320-01-442-1940), Truck, Cbt, (Command Bridge Transporter); Wrecker Truck (2320-01-097-0248),Tank Truck (2320-01-097-0249),Tank Truck (2320-01-100-7672),Cargo Truck (2320-01-097-0260),Wrecker Truck (2320-01-195-7641) H.

What part numbers cross-reference to NSN 4730-00-173-1881?
Part numbers that cross-reference this NSN include 10011971, MS51525A12-16, 12-16F5BX-S, 18556FX, 10505687, MILF18866, 84000905-021, 2001645361. It is also referenced by older, superseded or advisory numbers: 6400-12-16-0, 12-16F5BX-SS, 12-16F50X-SS, 6400-12-16, 5224-6400-12-16, 0503-16-12. SECO can quote against any of them.