Panel Screw Assembly NSN 5305-01-321-9737

Item Description

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

NSN: 5305-01-321-9737

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

0.281 inches

Fastener Length

Between 0.650 inches and 0.670 inches

Head Style

Flat countersunk

Head Diameter

Between 0.409 inches and 0.419 inches

Internal Drive Style

Cross recess type 1

Material Accommodated Thickness

Between 0.126 inches and 0.187 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 321 fastener or steel comp 347 fastener or steel comp 384 fastener or steel comp 385 fastener

Material Specification

Qq-a-225/8 federal specification single material response stand-off

Surface Treatment

Passivate fastener

Surface Treatment Specification

Qq-p-35 federal specification single treatment response fastener

Thread Series Designator

Unf

FSC

5305 Screws

NIIN

013219737

NSN

5305013219737

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

DPY7900P-12-C-4

Cage Code:

17446

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7318152000
NAICS: 332722
SITC: 69421
Description: Bolts and bolts and their nuts or washers exported in the same shipment
End Use (Code 12110):
Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-321-9737

What are the manufacturers of nsn 5305013219737?

Does this nsn 5305013219737 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305013219737
A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. attached to panel by threaded bushing or by flaring end of stand-off, or bushing. used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. may be spring loaded.

Does nsn 5305013219737 contain any precious metals?
No precious metal content.

Does nsn 5305013219737 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305013219737?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

33044

FIIG:

A003B0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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