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Shoulder Screw NSN 5305-00-227-1265

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 5305-00-227-1265 NSN: 5305-00-227-1265

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.443 inches and 0.510 inches
Fastener Length
Between 1.515 inches and 1.562 inches
Head Style
Flat countersunk
Head Diameter
Between 0.502 inches and 0.507 inches
Shoulder Diameter
0.280 inches and 0.281 inches first shoulder
Shoulder Length
0.957 inches and 0.979 inches first shoulder
Internal Drive Style
Offset cruciform (torque set)
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
24.0 rockwell c and 44.0 rockwell c
Countersink Angle
100.0 degrees
Shoulder Shape
Round first shoulder
Part Name Assigned By Controlling Agency
Navy special project
Material
Iron alloy 660
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
002271265
NSN
5305002271265

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HT1030-4-17
Cage Code:
06950
Status:
A
MSDS:
Part Number:
3M218-4-17
Cage Code:
76301
Status:
A
MSDS:
Part Number:
55979-4-17
Cage Code:
56878
Status:
A
MSDS:
Part Number:
HT42N17
Cage Code:
73197
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 5305-00-227-1265
What are the manufacturers of nsn 5305002271265?
Does this nsn 5305002271265 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002271265
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 5305002271265 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002271265 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002271265?
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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