03A169-3A5

View detailed technical data, stock status, and sourcing information for: 03A169-3A5

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03A169-3A5
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-344-8251
Item Name Code
05280
Assigment Date
09/06/1991 (34 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

prevailing torque all metal design locking feature, 3b thread class, 0.250 inches minimum nut counterbore diameter, dry film lubricant lubrication, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3b
Thread Direction
right-hand
Locking Feature
prevailing torque all metal design
Counterbore Diameter
0.250 inches minimum nut
Lubrication
dry film lubricant
Mounting Hole Diameter
0.098 inches minimum and 0.103 inches maximum
Nut Style
plate
Nut Length
1.051 inches maximum
Nut Height
0.506 inches maximum
Plate Thickness
0.036 inches maximum
Plate Width
0.454 inches maximum
Nut Counterbore Depth
0.313 inches minimum nut
Nut Mounting Provision
straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
0.339 inches minimum and 0.349 inches maximum
Center To Center Distance Between Mounting Holes Along Length
0.310 inches minimum and 0.314 inches maximum
End Item Identification
w/s:aircraft, b-2 bomber (atb)
Thread Series
unjf
Features Provided
floating nut
Thread Quantity Per Inch
32
Nominal Thread Size
0.190 inches
Material
iron alloy 651 overall
Material Document And Classification
ams5525 assn std single material response or ams5732 assn std single material response or ams5537 assn std single material response overall
Surface Treatment
passivate shell
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response shell

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
03A169-3A5 Plate Self-Locking Nut
BFN169-3-5 Plate Self-Locking Nut
F13743-3-5 Plate Self-Locking Nut
F52890-3-5 Plate Self-Locking Nut
NRF160C3M-5 Plate Self-Locking Nut
NS202880-3-5 Plate Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-344-8251?
The FSCG of the NSN 5310-01-344-8251 is 5310
Does the NSN 5310-01-344-8251 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-344-8251 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-01-344-8251 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-344-8251 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-01-344-8251 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Fri, Sep 6, 1991

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