We are pleased to confirm immediate availability for NAS-501-4-5A (Screw Cap Hexagon H), carrying NSN 5305-00-637-9525 and manufactured by Bosch Rexroth Corporation (CAGE code D9182). This certified component is classified under FSG 53 Hardware and Abrasives/FSC 5305 Screws (NIIN: 00-637-9525), meeting all military specifications for guaranteed traceability and performance compliance.
To receive a rapid quote for part NAS-501-4-5A (15-minute response guaranteed), please complete the form below. Providing detailed requirements ensures our specialists can quickly deliver competitive pricing, verified availability, and exact specification matching for NSN 5305-00-637-9525. Rest assured, you’ll receive the precise aerospace component your project demands.
Note : We Will Not Share Your Information To Any Third Parties.
Aviation Purchasing Platform is a trusted sourcing solution owned and operated by ASAP Semiconductor—an AS9120B, ISO 9001:2015, and FAA 0056B certified distributor. With access to over 10 million national stock numbers (NSNs) across 26+ federal supply categories, we specialize in procuring rare, obsolete, and long-lead-time components, including Bosch Rexroth Corporation parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 5305-00-637-9525—including this part—is uniquely labeled to reflect its integration into the U.S. DoD supply system. As a National Stock Number, it signifies compliance with NATO and U.S. Department of Defense standards, ensuring traceability, quality, and interoperability across allied military operations.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-637-9525 Item Description: Screwcaphexagon Head | 5305 | 006379525 | 0 | N | 5306005762808 | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| Nas-501-4-5a | 2 | 1 | C | A |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0 367 INCHES MINIMUM AND 0 512 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0 641 INCHES MINIMUM AND 0 688 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0 140 INCHES MINIMUM AND 0 172 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0 428 INCHES MINIMUM AND 0 440 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0 250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MATT | MATERIAL | STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
Million
Parts Sold
Million
Parts Avalilable
Thousand
Happy Customers
Thousand
Daily Parts Searches
|
AS9120B and ISO 9001:2015 |
|
Aviation Suppliers Association Member |
|
FAA AC 0056B Accredited |
|
AS 6081:2012 Certification |
|
ESD S20.20-2014 Certification |
