NAS1190-08P40B
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A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).
right-hand thread direction, 3a thread class, pan head style, 2.500 inches nominal fastener length, 1.750 inches minimum and 2.500 inches maximum thread length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 1.750 inches minimum and 2.500 inches maximum
- Fastener Length
- 2.500 inches nominal
- Head Style
- pan
- Head Diameter
- 0.306 inches minimum and 0.322 inches maximum
- Head Height
- 0.105 inches minimum and 0.115 inches maximum
- Locking Feature
- patch threads
- Internal Drive Style
- cross recess type 1
- End Item Identification
- block 89 upgr
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or ams6415 assn std 2nd material response or mil-2-5000 mil spec 3rd material response or mil-s-6049 mil spec 4th material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type ii,class 2 fed spec single treatment response overall
- Thread Series Designator
- unjc
- Specification/Standard Data
- 80205-nas1190 professional/industrial association standard
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| NAS1190-08P40B | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-469-6173?
Does the NSN 5305-01-469-6173 have a Schedule B code assigned?
Does NSN 5305-01-469-6173 require demilitarization?
Does NSN 5305-01-469-6173 contain precious materials?
Does NSN 5305-01-469-6173 contain hazardous materials?
When the NSN 5305-01-469-6173 was assigned to the Federal Catalog?
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