Model: NAS1803-4B1

Plate Self-locking Nut

Special Features:

Extended sleeve 0.003 in. Below plate

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.265 inches nut and 0.270 inches nut
Lubrication
Dry film lubricant
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Plate
Nut Length
Between 1.360 inches and 1.390 inches
Nut Height
0.310 inches
Plate Thickness
Between 0.023 inches and 0.027 inches
Plate Width
0.865 inches
Nut Counterbore Depth
0.168 inches nut and 0.178 inches nut
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.557 inches and 0.567 inches
Center To Center Distance Between Mounting Holes Along Length
Between 1.123 inches and 1.127 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel comp 4130 nut or steel comp 8740 nut
Material
Steel comp 631 clip
Material
Steel comp 631 base
Material
Steel comp 631 spring
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment
Passivate base
Surface Treatment
Passivate clip
Surface Treatment
Passivate spring
Surface Treatment Specification
Qq-p-35 federal specification single treatment response base
Surface Treatment Specification
Qq-p-35 federal specification single treatment response clip
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response nut
NSN
5310-01-220-3479
Part Number
NAS1803-4B1
Description
Nut,self-locking,plate
CAGE

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part NAS1803-4B1 NSN 5310-01-220-3479

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05280
FIIG:
A021A0
Concept No.:
1
App. Key:
BZ
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
B

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this plate self-locking nut (NSN 5310-01-220-3479) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

Highest Rated Parts
Recently Purchased Parts
Hot Parts