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Shoulder Screw NSN 5305-00-637-8803

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 5305-00-637-8803 NSN: 5305-00-637-8803

Features and Characteristics

Thread Direction
Right-hand
Thread Length
Between 0.740 inches and 0.820 inches
Fastener Length
Between 1.300 inches and 1.320 inches
Head Style
Flat chamfer
Head Diameter
Between 0.865 inches and 0.885 inches
Head Height
Between 0.300 inches and 0.320 inches
Shoulder Diameter
0.499 inches first shoulder and 0.501 inches first shoulder
Shoulder Length
0.193 inches first shoulder and 0.195 inches first shoulder
Internal Drive Style
Slot
Thread Diameter
0.312 inches
Nonstandard Thread Pitch Diameter
+0.2797/+0.2824 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
30.0 rockwell c and 38.0 rockwell c
Shoulder Shape
Round first shoulder
Material
Steel
Surface Treatment
Nickel and cadmium
Surface Treatment Specification
Ams 2416 assn standard all treatment responses
Thread Series Designator
Uns
FSC
5305 Screws
NIIN
006378803
NSN
5305006378803

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
264768
Cage Code:
77445
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 5305-00-637-8803
What are the manufacturers of nsn 5305006378803?
Does this nsn 5305006378803 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006378803
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 5305006378803 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006378803 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006378803?
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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