We've received your request for AS255B4-09 (described as Screw Close Toleran), manufactured by Avibank Mfg Inc with CAGE code 84256. This part is registered under NSN 5305-01-191-4494, classified in FSG 53 Hardware and Abrasives / FSC 5305 Screws. Our verification process will confirm traceability through supporting identifiers including NIIN 01-191-4494, NCB code 01 (origin: USA), and INC 29294. Please submit your formal quotation request to proceed.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-191-4494 Item PartTypeName: SCREW,CLOSE TOLERANCE | 5305 | 011914494 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 5305PL0783964 | 5 | 9 | 6 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.278 INCHES MINIMUM AND 0.329 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.981 INCHES MINIMUM AND 1.001 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | DETENT BALL GRIP |
| AAUR | GRIP DIAMETER | 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.562 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 63000 POUNDS PER SQUARE INCH |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 631 OR STEEL COMP 302 SPRING |
| MATT | MATERIAL | STEEL COMP 632 FASTENER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A580 COND. A ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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