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Machine Screw NSN 5305-00-821-7221

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

NSN 5305-00-821-7221 NSN: 5305-00-821-7221

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.250 inches
Fastener Length
1.250 inches
Head Style
Pan
Head Diameter
Between 0.716 inches and 0.740 inches
Head Height
Between 0.244 inches and 0.261 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
16
Screw Material
Steel comp 1010 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1022 or steel comp 1025 or steel comp 1026 or steel comp 1035 or steel comp 1040 or steel comp 1042 or steel comp 1045 or steel comp 1046 or steel comp 1548 or steel comp 1049 or steel comp 1050
Screw Material Specification
Qq-s-630 federal specification 1st material response or qq-s-631 federal specification 2nd material response or qq-s-637 federal specification 2nd material response or qq-s-634 federal specification 3rd material response or qq-s-634 federal specification 4th material response or qq-s-634 federal specification 5th material response or qq-s-634 federal specification 6th material response or qq-s-634 federal specification 7th material response or qq-s-634 federal specification 8th material response or qq-s-634 federal specification 9th material response or qq-s-634 federal specification 10th material response or qq-s-634 federal specification 11th material response or qq-s-634 federal specification 12th material response or qq-s-634 federal specification 13th material response or qq-s-634 federal specification 14th material response or qq-s-634 federal specification 15th material response or qq-s-634 federal specification 16th material response or qq-s-634 federal specification 17th material response or qq-s-634 federal specification 18th material response or qq-s-634 federal specification 19th material response
Screw Surface Treatment
Cadmium and chromate
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
008217221
NSN
5305008217221

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
N80P25020C11
Cage Code:
24446
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 5305-00-821-7221
What are the manufacturers of nsn 5305008217221?
Does this nsn 5305008217221 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305008217221
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Does nsn 5305008217221 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305008217221 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305008217221?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
App. Key:
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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