5305-01-256-5800
Find complete technical information, availability, and procurement data for: 5305-01-256-5800
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A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.
0.323 inches nominal thread length, 0.620 inches minimum and 0.650 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 3a thread class
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
- 0.323 inches nominal
- Fastener Length
- 0.620 inches minimum and 0.650 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.266 inches minimum and 0.303 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Internal Drive Style
- tri-wing recess
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.302 inches minimum and 0.322 inches maximum
- Thread Quantity Per Inch
- 32
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- steel comp 4340 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5000,uns g43406 mil spec 1st material response or ams 6322 assn std 2nd material response or mil-s-6049,uns g87400 mil spec 2nd material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 2 fed spec all treatment responses overall
- Supplementary Features
- tri-wing recess no. nas4000-4
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas4703 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 |
|---|---|
| NAS4703-5 | Close Tolerance Screw |
FAQs
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