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Socket Head Cap Screw NSN 5305-01-237-7571

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

NSN 5305-01-237-7571 NSN: 5305-01-237-7571

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.650 inches
Fastener Length
0.750 inches
Head Style
Pan no. 2
Head Diameter
Between 0.473 inches and 0.492 inches
Head Height
Between 0.130 inches and 0.144 inches
Locking Feature
Pellet threads
Internal Drive Style
Cross recess type 1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Material
Steel
Material Specification
Sae grade 1 assn standard all material responses
Surface Treatment
Cadmium and chromate or zinc
Surface Treatment Specification
Qq-p-416 type 2 cl 2 federal specification 1st treatment response or astm b633 assn standard 2nd treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
012377571
NSN
5305012377571

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M37-AS-420-R12C
Cage Code:
26233
Status:
A
MSDS:
Part Number:
8743912
Cage Code:
19207
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 5305-01-237-7571
What are the manufacturers of nsn 5305012377571?
Does this nsn 5305012377571 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012377571
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
Does nsn 5305012377571 contain any precious metals?
No precious metal content.
Does nsn 5305012377571 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012377571?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
App. Key:
SC
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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