Part detail
Screw Cap Socket He
16990-4F8DNSN5305-00-543-6054CAGEF5385
Screw Cap Socket He
Detailed description
16990-4F8D procurement notes
Screw Cap Socket He
Specifications
Reference data
Multi-line procurement
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.
Compliance
- 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 |