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Externally Relieved Body Screw NSN 5305-00-675-2521

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.

NSN 5305-00-675-2521 NSN: 5305-00-675-2521

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.265 inches and 0.297 inches
Fastener Length
3.258 inches
Head Style
Flat chamfer
Head Diameter
Between 0.264 inches and 0.266 inches
Head Height
Between 0.141 inches and 0.169 inches
First Diameter From Head
0.156 inches
Second Diameter From Head
Between 0.245 inches and 0.255 inches
Third Diameter From Head
0.156 inches
Fourth Diameter From Head
Between 0.245 inches and 0.255 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 1.320 inches and 1.336 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 1.382 inches and 1.398 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
2.891 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
2.953 inches
Internal Drive Style
Slot
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Externally Relieved Body Diameter Quantity
1
Material
Steel comp 303
Material Specification
66 federal standard single material response
Surface Treatment
Passivate and paint
Surface Treatment Specification
580-0025-00 fscm 90107 mfr ref all treatment responses
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
006752521
NSN
5305006752521

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
127291
Cage Code:
06481
Status:
A
MSDS:
Part Number:
542-4332-002
Cage Code:
13499
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 5305-00-675-2521
What are the manufacturers of nsn 5305006752521?
Does this nsn 5305006752521 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006752521
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). it is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. see also bolt, externally relieved body and bolt, internal wrenching.
Does nsn 5305006752521 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006752521 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006752521?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01852
FIIG:
A003B0
App. Key:
SE
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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