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Shoulder Screw NSN 5305-01-143-7443

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

NSN 5305-01-143-7443 NSN: 5305-01-143-7443

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.630 inches and 0.697 inches
Fastener Length
Between 2.078 inches and 2.125 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.881 inches and 0.888 inches
Head Height
Between 0.124 inches and 0.127 inches
Shoulder Diameter
0.4521 inches first shoulder and 0.4526 inches first shoulder
Shoulder Length
1.301 inches first shoulder and 1.324 inches first shoulder
Internal Drive Style
High-torque
Thread Diameter
0.438 inches
Thready Qty Per Inch (tpi)
20
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Shoulder Shape
Round first shoulder
Special Features
Furnished with one rubber o ring
Material
Steel comp xm-13
Material Specification
Ams5629 assn standard single material response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
011437443
NSN
5305011437443

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HT4020-7-23AX
Cage Code:
17446
Status:
A
MSDS:
Part Number:
HT4020-7-23X
Cage Code:
92215
Status:
A
MSDS:
Part Number:
ST3M653C7-23A
Cage Code:
76301
Status:
A
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 5305-01-143-7443
What are the manufacturers of nsn 5305011437443?
Does this nsn 5305011437443 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011437443
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. no. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. a locking feature may be incorporated in the design of the head or threads. for items which are both shouldered and have an externally relieved body, use screw, externally relieved body. for items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. excludes bolt, internal wrenching and screw, cap, socket head.
Does nsn 5305011437443 contain any precious metals?
No precious metal content.
Does nsn 5305011437443 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011437443?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22846
FIIG:
A003B0
App. Key:
SL
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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