We are pleased to confirm immediate availability for MS16998-45 (Screw Cap Socket He), carrying NSN 5305-00-983-6662 and manufactured by Safety Socket Llc (CAGE code 82896). This certified component is classified under FSG 53 Hardware and Abrasives/FSC 5305 Screws (NIIN: 00-983-6662), meeting all military specifications for guaranteed traceability and performance compliance.
To receive a rapid quote for part MS16998-45 (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 5305-00-983-6662. Rest assured, you’ll receive the precise aerospace component your project demands.
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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 Safety Socket Llc parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 5305-00-983-6662—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 |
|---|---|---|---|---|---|---|
| 5305-00-983-6662 Item Description: Screwcapsocket Head | 5305 | 009836662 | 0 | N | 5305006392492 | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| Ms16998-45 | 3 | 2 | 2 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0 969 INCHES MINIMUM AND 1 000 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0 969 INCHES MINIMUM AND 1 000 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0 365 INCHES MINIMUM AND 0 375 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0 244 INCHES MINIMUM AND 0 250 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0 250 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0 187 INCHES MINIMUM AND 0 190 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36 0 ROCKWELL C MINIMUM OVERALL AND 45 0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
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