NSN Part Number 16990-4F8D of Section De Codification with NSN 5305005436054 - Request a Quote Now
Screw Cap Socket He
16990-4F8D procurement notes
Thank you for taking an interest in the aerospace parts, military and defense parts, and Screw Cap Socket He products that we offer here on Buy NSN Parts. You have taken a particular interest in part number 16990-4F8D, a Section De Codification item we stock that is listed alongside the NSN 5305005436054 for identification. If you are interested in receiving pricing and fulfillment options for this NSN part, please fill out and submit the RFQ form provided on this page while offering us crucial information such as your target price and expected shipping time frame. Within 15 minutes of us receiving and reviewing a completed request, you can expect to receive a solution on part number 16990-4F8D tailored to your unique needs and restrictions alike.
To make the identification and procurement of products simple, we always list all offerings with as much information as we can. For example, while part number 16990-4F8D belongs to NSN 5305005436054, it also falls under FSC , a commodity classification designation that organizes similar products together. Furthermore, this item is also produced under CAGE Code , denoting the exact facility that this item traces back to. With this in mind, take the time to explore our expansive selection at your leisure, and we will always be just a click or call away from offering customized fulfillment solutions and unrivaled savings.
Reference data
Sourcing more than one part?
Upload a bill of materials (BOM) or paste a list of part numbers — every line bundles into a single RFQ. No checkout, no payment.
- AS9120:2025· Aerospace QMS
- ISO 9001:2015· Quality Management
- FAA AC 00-56B· Voluntary Industry Distributor Accreditation
- U.S. ONLY· Fulfillment
NSN Information for Part Number 16990-4F8D with NSN 5305-00-543-6054, 5305005436054
Characteristics Data of NSN 5305-00-543-6054, 5305005436054
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.335 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.398 INCHES MINIMUM AND 0.404 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
