Quote in 15 min·24/7 × 365AS9120:2025 · ISO 9001:2015 · FAA AC 00-56B
NSN 5305-00-543-6054CAGE F5385

Get an Request Quote for NSN Part 16990-4F8D with NSN of Section De Codification

Screw Cap Socket He

Screw Cap Socket He ASAP can help source this line with documentation review, alternate part checks, condition requirements, and account manager follow-up for urgent or planned procurement.

We are happy to inform you that the part number 16990-4F8D Screw Cap Socket He with the NSN,   is now available in our inventory. This part is sourced from the manufacturer British Aerospace Inc. If you would like to get a quick quote for part number 16990-4F8D, all you need to do is fill out the RFQ form on this page.

The answers provided in “Need Parts By” and “Quantity” will help us give you an accurate and fair quote. Our dedicated customer service executives will have a quote prepared for you within fifteen minutes of receiving your request.

AOG Purchasing is owned and operated by ASAP Semiconductor, a leading distributor of Section De Codification aviation and aerospace parts for the civilian and defense industries. We are an AS9120B, ISO 9001:2015 and FAA AC 0056B accredited company, and the only independent distributor with a NO CHINA SOURCING pledge.

The NSN number, also called the NATO Stock Number or National Stock Number, indicates that an item is issued through the federal supply chain. The NATO Stock Number is recognized and used by the North Atlantic Treaty Organization, the United States Department of Defense, and other leading government organizations. Would you like to know more about the part number 16990-4F8D with NSN and FSC Name is ? Call us at our toll-free number +1-714-705-4780 or email us at sales@aogpurchasing.com  You can also download the ASAP Semiconductor app from Google Play or the App store.

Section De Codification
Manufacturer
USA
Origin
N/A
Spec
N/A
Unit weight
Detailed description

Technical sourcing notes

N/A
Lead time
N/A
Cross references
Unrestricted
Export control
5305 Screws
FSC
Why ASAP

Operations-grade aviation sourcing.

AS9120B
Quality-managed distribution
15 min
Average RFQ response, 24/7
Full trace
Documentation & certs on request
Submit RFQ

Request a quote for 16990-4F8D

Send this part to ASAP with quantity, need-by timing, and buyer contact details. An account manager will review availability, alternates, certificates, and delivery options.

Part-specific RFQ

Submit RFQ for 16990-4F8D

Send this part to ASAP with quantity, need-by timing, and buyer contact details. A dedicated account manager reviews availability, alternates, certificates, and delivery options.

Screw Cap Socket He16990-4F8D
NSN5305-00-543-6054
Manufacturer
Section De Codification
CAGE
F5385
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NSN Information for Part Number 16990-4F8D with NSN 5305-00-543-6054, 5305005436054

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305005436054

Item Description:

Screw Cap Socket He

53050054360540N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
16990-4f8d225

Characteristics Data of NSN 5305-00-543-6054, 5305005436054

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.335 INCHES MINIMUM AND 0.341 INCHES MAXIMUM
AASBFASTENER LENGTH0.398 INCHES MINIMUM AND 0.404 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEHEXAGON
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
ASDBWIDTH ACROSS FLATS0.156 INCHES NOMINAL
CMLPTHREAD QUANTITY PER INCH28
CQFMHARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
MATTMATERIALSTEEL OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL
THSDTHREAD SERIES DESIGNATORUNF