Square Extended Washer Plain Nut
75D111254-2095
(NSN) National Stock Number
5310-01-257-1701
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
04890
Schedule B Code
7318160000
Summary
3b thread class, right-hand thread direction, 2.800 inches nominal washer outside diameter, 1.600 inches nominal first end counterbore diameter, 2.535 inches nominal overall height, 0.380 inches nominal first end nut counterbore depth
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| A | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A nut having 4 flat sides and an integral washer which extends beyond the flats or periphery.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 04890 | A021A0 | 1 | 1 |
Specifications
Thread Class
3b
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Direction
right-hand
Details
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.Washer Outside Diameter
2.800 inches nominal
Details
None.Counterbore Diameter
1.600 inches nominal first end
Details
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.Overall Height
2.535 inches nominal
Details
The distance measured in a straight line from the bottom to the top of an item.Nut Counterbore Depth
0.380 inches nominal first end
Details
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.Width Across Flats
1.875 inches nominal
Details
The shortest straight line between flats,perpendicular to the height.Thread Series
unjef
Details
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.Thread Quantity Per Inch
18
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Nominal Thread Size
1.375 inches
Details
A designation that is used for the purpose of general identification of the thread.Part Name Assigned By Controlling Agency
navy special project
Details
The name assigned to the item by the government agency or commercial organization controlling the design of the item.Material
steel comp 4130 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | A | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 576 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- Genuine Manufacturers Parts
- 100% Product Inspection
- 7 Year Sales Record Retention
- Fast On-Time Delivery
- HAZMAT Certified
- Global Shipping
Manufacturer
THE BOEING COMPANY DIV DEFENSE
CAGE: 76301
SAINT LOUIS
, MO
, 63134-1939
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5310-01-257-1701
What is the NIIN of the NSN 5310-01-257-1701?
The National Item Identification Number (NIIN) of the NSN 5310-01-257-1701 is 01-257-1701
When the NSN 5310-01-257-1701 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Sat, Jun 13, 1987
Does the NSN 5310-01-257-1701 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-01-257-1701 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5310-01-257-1701?
No known electrostatic discharge
Can't Find It
If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.