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Hexagon Head Cap Screw NSN 5305-00-018-0121

Item Description

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

NSN 5305-00-018-0121 NSN: 5305-00-018-0121

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.844 inches and 0.875 inches
Fastener Length
Between 0.844 inches and 0.906 inches
Head Style
Hexagon
Head Height
Between 0.226 inches and 0.243 inches
Width Between Flats
Between 0.551 inches and 0.562 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
120000 pounds per square inch
Hardness Rating
25.0 rockwell c and 34.0 rockwell c
Minimum Yield Strength
92000 pounds per square inch
Material
Steel
Material Specification
Sae j429, grade 5 assn standard single material response
Surface Treatment
Dichromate zinc
Surface Treatment Specification
Qq-z-325, type 2, class 2 federal specification single treatment response
Thread Series Designator
Unc
Specification Data
81348-ff-s-85 government specification and 24617-180121 manufacturers standard
Nondefinitive Specification/std Data
2 type and 10p style and 3/8-16in. Size
FSC
5305 Screws
NIIN
000180121
NSN
5305000180121

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FF-S-85
Cage Code:
81348
Status:
A
MSDS:
Part Number:
180121
Cage Code:
7X677
Status:
A
MSDS:
Part Number:
125-1068
Cage Code:
94033
Status:
A
MSDS:
Part Number:
60X3230
Cage Code:
95201
Status:
A
MSDS:
Part Number:
4AX58
Cage Code:
76040
Status:
A
MSDS:
Part Number:
214697
Cage Code:
21450
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 5305-00-018-0121
What are the manufacturers of nsn 5305000180121?
Does this nsn 5305000180121 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000180121
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
Does nsn 5305000180121 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305000180121 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000180121?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
18257
FIIG:
A003B0
App. Key:
SB
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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