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Shoulder Screw NSN 5305-01-255-6552

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 5305-01-255-6552 NSN: 5305-01-255-6552

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.317 inches and 0.357 inches
Fastener Length
0.500 inches
Head Style
Knurled no. 4
Head Diameter
Between 0.419 inches and 0.438 inches
Head Height
Between 0.213 inches and 0.219 inches
Shoulder Diameter
0.281 inches all shoulders
Shoulder Length
0.183 inches all shoulders and 0.193 inches all shoulders
Locking Feature
Strip threads
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.156 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
160000 pounds per square inch
Shoulder Shape
Round all shoulders
Material
Steel
Thread Series Designator
Unrc
Specification Data
56878-12705l5c8 manufacturers standard
FSC
5305 Screws
NIIN
012556552
NSN
5305012556552

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12705L5C8
Cage Code:
56878
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 5305-01-255-6552
What are the manufacturers of nsn 5305012556552?
Does this nsn 5305012556552 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012556552
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 5305012556552 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305012556552 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012556552?
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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