5305-01-216-6621
Find complete technical information, availability, and procurement data for: 5305-01-216-6621
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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.
0.310 inches nominal head diameter, flat chamfer head style, right-hand thread direction, 3a thread class, 0.610 inches minimum 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
- 0.610 inches minimum
- Head Style
- flat chamfer
- Head Diameter
- 0.310 inches nominal
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.190 inches
- Width Across Flats
- 0.156 inches nominal
- Thread Quantity Per Inch
- 32
- Special Features
- screw has externally relieved body 0.135 min. 0.140 max.; head has secondary slot drive; sleeve has hex drive; sleeve has internal threads 0.312-24 unf-3b
- Material
- iron alloy 660 fastener
- Material
- steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 primary washer
- Material
- steel comp 301 or steel comp 302 or steel comp 304 or steel comp 316 or steel comp 321 secondary washer
- Material
- steel comp 302 spring
- Material
- steel comp 303 stand-off
- Material Document And Classification
- 66 fed std all material responses primary washer
- Material Document And Classification
- ams5640 assn std single material response or astm-a-582 assn std single material response stand-off
- Material Document And Classification
- ams5737 assn std single material response fastener
- Material Document And Classification
- qq-w-423 fed spec single material response spring
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unf
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 |
|---|---|
| 72B235019-1001 | Panel Screw Assembly |
| CA28044-12 | Panel Screw Assembly |
FAQs
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When the NSN 5305-01-216-6621 was assigned to the Federal Catalog?
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