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Shoulder Screw NSN 5305-01-399-3101

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 5305-01-399-3101 NSN: 5305-01-399-3101

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.403 inches
Fastener Length
Between 0.638 inches and 0.668 inches
Head Style
Flat countersunk
Head Diameter
Between 0.3504 inches and 0.3998 inches
Shoulder Diameter
0.2641 inches first shoulder and 0.2651 inches first shoulder
Shoulder Length
0.240 inches first shoulder and 0.260 inches first shoulder
Internal Drive Style
Offset cruciform (torque set)
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Shoulder Shape
Round first shoulder
Material
Steel comp 4140 or steel comp e4340 or steel comp 8740
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl2 federal specification single treatment response
Thread Series Designator
Unjf
Specification Data
80205-nas1581 professional/industrial association standard
FSC
5305 Screws
NIIN
013993101
NSN
5305013993101

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1581F4T4X
Cage Code:
80205
Status:
A
MSDS:
Part Number:
NAS1581A4T4X
Cage Code:
5M696
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 5305-01-399-3101
What are the manufacturers of nsn 5305013993101?
Does this nsn 5305013993101 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013993101
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 5305013993101 contain any precious metals?
No precious metal content.
Does nsn 5305013993101 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013993101?
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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