155-25-8

155258 Union Nut
Home » Catalog » Fittings (p. 2627) » Union Nuts (p. 15) » Part Number 155-25-8

Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.

Part Number:
Quantity Requested:
Your Email:
Full Name:
Contact Phone:
Company:

Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. 155-25-8 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2b

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Shoulder Width

0.250in.

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

hexagon

Nut Height

1.070in. ⁓1-5/64"

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

1.562in. ⁓1-9/16"

Smallest Inside Diameter
The smallest length of a straight line which passes through the center of the two surfaces of a circular item,and terminates at the inside circumference.

0.950in.

Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

unf

Shoulder Step Width

0.1875in.

Shoulder Seat Diameter

1.030in.

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

16

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.750in. ⁓3/4"

Maximum Working Pressure Rating And Service For Which Designed
The maximum rated working pressure the item can withstand without rupture,and the service for which designed.

3000.0 pounds per square inch oil

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

grumman A10 aircraft

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

aluminum

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

anodize

Answers.

What quantity is this sold in?

1EA

What material is the union nut made of ?

Aluminum

What is the thread quantity per inch?

16

What is the thread direction?

Right-hand

What is the thread class?

2b

What is the NSN for 155-25-8?

4730-00-098-4273

How is this classified for shipping?

Schedule B number: 7616106000
nmfc 013540
Threaded fasteners of aluminum

What's the federal classification of 155-25-8?

FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings

Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).

NSN 4730-00-098-4273 NUT,UNION

anodize surface treated grumman A10 aircraft 16 thread quantity per inch right-hand 2b thread class

NIIN
000984273
NIIN Date
01/01/61
Schedule B
7616106000 
Name Code
19964
FIIG
A021A0
Item Weight
0.200lbs
Item Dimensions
--
QUP
1 
Historical Price
$122.08 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. C155-25-8D Cage 00624
2. E155-25-8D Cage 00624
3. 155-25-8D Cage 00624
4. E115044 Cage 38597
5. 633524-12 Cage 98897
6. C150-25-8D Cage 00624

Major End Users Countries and entities

  • - Department of The Air Force 
  • - Department of The Navy 
  • - U.s. Coast Guard 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Israel 
  • - Argentina 
  • - Thailand 
  • - Australia 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Portugal 
  • - Italy 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 

Availability for 155-25-8 A member of our team will provide you with a price and availability quote

Request a Quote »

Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal and metal products, nos, (less than 35 feet) 
NMFC (national motor freight code)
013540 ALUM NUTS 
UFC (universal freight code)
05680 

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

155-25-8 / Nut,unionWhat is the formal definition of this item?

An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. the threaded portion is used to engage the thread piece of a union, union elbor or the like. excludes nut (1), tube coupling.