Part identity
1 4-20 X 5 8 HEX
Screw Cap Hexagon Head
Arlington Air Parts Inc
Avg quote: 14 minFulfilled from Anaheim, CAAS9120:2025 · ISO 9001 · FAA AC 00-56BC of C, lot & date code with every line
Part description
Screw Cap Hexagon Head
ASAP supports this specific part for replacement, spare-pool replenishment, retrofit, and urgent maintenance requirements. Quote requests can include alternate MPN, condition preferences, certification needs, and plant-specific receiving instructions so procurement gets a clear sourcing response before purchase.
Specifications
Certifications & documentation
- UL Recognized
- CE
- C of C available on request
AA
Manufacturer
Arlington Air Parts Inc
Authorized-distributor or qualified-aftermarket source. Parts shipped from this manufacturer include full traceability paperwork and counterfeit-mitigation per SAE AS6081.
View manufacturer profile →NSN Information for Part Number 1 4-20 X 5 8 HEX with NSN 5305-01-425-0728, 5305014250728
Characteristics Data of NSN 5305-01-425-0728, 5305014250728
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 303CU OVERALL OR STEEL COMP 303MA OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 304L OVERALL |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AATB | Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASK | Head Style | HEXAGON |
| AAJF | Thread Direction | RIGHT-HAND |
| AASB | Fastener Length | 0.625 INCHES NOMINAL |
| CMLP | Thread Quantity Per Inch | 28 |
| THSD | Thread Series Designator | UNF |
| AAJD | Thread Class | 2A |
| AASA | Thread Length | 0.625 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| AASU | Head Height | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |