Tapping Screw
3975550
(NSN) National Stock Number
5305-01-160-3938
Federal Supply Classification
5305 Screws
Item Name Code
41756
Schedule B Code
7318140000
Summary
0.720 inches minimum and 0.750 inches maximum fastener length, hexagon extended washer head style, 0.253 inches minimum and 0.275 inches maximum head height, 0.491 inches minimum and 0.500 inches maximum width between flats, 0.624 inches minimum and 0.676 inches maximum extended washer diameter, 0.045 inches nominal extended washer thickness
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| A | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | KZ |
Identification
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 41756 | A003B0 | - | 1 |
Specifications
Fastener Length
0.720 inches minimum and 0.750 inches maximum
Details
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.Head Style
hexagon extended washer
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Height
0.253 inches minimum and 0.275 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.491 inches minimum and 0.500 inches maximum
Details
None.Extended Washer Diameter
0.624 inches minimum and 0.676 inches maximum
Details
None.Extended Washer Thickness
0.045 inches nominal
Details
None.Internal Drive Style
w/o internal drive
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Features Provided
casehardened
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Hardness Rating
46.0 rockwell c minimum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Nonmachine Thread Style
wide flute (type h or bt)
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.Nonmachine Nominal Thread Diameter
0.312 inches
Details
The length of a straight line which passes through the center of the nonmachine threaded portion,and terminates at the circumference.Material
steel comp 1022 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
aisi assn std single material response overall
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Surface Treatment
phosphate overall
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Surface Treatment Document And Classification
gm 4435-m code a gr 72 fscm 11862 mfr ref single treatment response overall
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 9416187 | 24617 | 5 | - | 3 | 2 | - | KZ |
| 11515358 | 7X677 | 5 | - | 5 | 2 | - | ZZ |
| 9419402 | 7X677 | 5 | - | 5 | 2 | - | KZ |
| 11503675 | 11862 | 5 | - | 5 | 9 | - | KZ |
| 11515358 | 11862 | 5 | - | 5 | 9 | - | ZZ |
| 9419402 | 11862 | 5 | - | 5 | 9 | - | KZ |
| 11503675 | 17769 | 5 | - | 5 | 9 | - | KZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- ISO9001 / AS9100 Quality Standards
- HAZMAT Certified
- On Time Delivery
- Qualified sales team
- Counterfeit Parts Prevention
- 100% Product Inspections
Manufacturer
GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
CAGE: 11862
WARREN
, MI
, 48090
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-01-160-3938
What is the NIIN of the NSN 5305-01-160-3938?
The National Item Identification Number (NIIN) of the NSN 5305-01-160-3938 is 01-160-3938
When the NSN 5305-01-160-3938 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Sun, Aug 21, 1983
Does the NSN 5305-01-160-3938 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-160-3938 contain any hazardous material?
No data in HMIRS
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