We've received your request for KBK-506 (described as Screw Shoulder), manufactured by In Speck Corporation with CAGE code 32904. This part is registered under NSN 5305-00-785-9076, classified in FSG / FSC . Our verification process will confirm traceability through supporting identifiers including NIIN 00-785-9076, NCB code 00 (origin: USA), and INC 22846. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your KBK-506 requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
How to Begin the Quotation Process
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-785-9076 Item PartTypeName: SCREW,SHOULDER | 5305 | 007859076 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 421855 | 6 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.276 INCHES MINIMUM |
| AASL | HEAD DIAMETER | 0.344 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.040 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.281 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.352 INCHES NOMINAL SECOND SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.038 INCHES NOMINAL FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 40 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.031 INCHES NOMINAL FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| MATT | MATERIAL | STEEL COMP 630 OVERALL |
| SFTT | SURFACE TREATMENT | CHROMIUM GRIP |
| SFTT | SURFACE TREATMENT | CHROMIUM HEAD |
| SFTT | SURFACE TREATMENT | PASSIVATE THREADS |
| AASB | FASTENER LENGTH | 1.141 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.186 INCHES NOMINAL SECOND SHOULDER |
| AATX | SHOULDER LENGTH | 0.513 INCHES NOMINAL FIRST SHOULDER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| End Use : 12110 | Iron and steel products, other |
|---|---|
| Schedule B : 7318152000 (NAICS 332722) | Bolts and bolts and their nuts or washers exported in the same shipment |
| SITC : 69421 | Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel |
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
|---|---|
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | U - Precious metal content is unknown |
| AAC | J |
|---|---|
| Classification Control | U |
| MGMT_CTL | Sf9sx-n |
| Quantity per pack | 1 |
| Repariability | |
| Shelf Life | N/A |
| SOS | Sms |
| Unit of Measure | Ea |
| ACC: | B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater |
|---|---|
| ADC: | A - Shipment is not a consolidation and does not exceed 84 inches in any dimension. |
| LTL: | W - Rating variable |
| NMFC: | 093486 - Bolts, nuts or screws, noi (sub 3) |
| SHC: | 9 - Other or no special handling required (sh) |
| TCC: | Z - No special type of cargo code applicable |
| WCC: | 713 - Metal hardware |
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Don’t forget That We offer 24/7 Service, Competitive Prices, and Fast Deliveries. We Hope You'll Make Us Your One-Stop Purchasing Solution!
Request for Quote