We've received your request for MS51992C643-18 (described as Stud Locked In), manufactured by Military Standards Corp with CAGE code 96906. This part is registered under NSN 5307-01-136-1814, classified in FSG 53 Hardware and Abrasives / FSC 5307 Studs. Our verification process will confirm traceability through supporting identifiers including NIIN 01-136-1814, NCB code 01 (origin: USA), and INC 16012. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your MS51992C643-18 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 |
|---|---|---|---|---|---|---|
| 5307-01-136-1814 Item PartTypeName: STUD,LOCKED IN | 5307 | 011361814 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 10116413 | 2 | 9 | 6 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A NUT THREAD |
| AAJE | THREAD PITCH DIAMETERS | 0.3497 TO 0.3512 INCHES STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| AASA | THREAD LENGTH | 0.381 INCHES MINIMUM AND 0.451 INCHES MAXIMUM STUD THREAD |
| AASA | THREAD LENGTH | 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM NUT THREAD |
| AAUM | LOCKING FEATURE | RING,LOCK SERRATED |
| ABHP | OVERALL LENGTH | 1.648 INCHES MINIMUM AND 1.718 INCHES MAXIMUM |
| ADCT | DISTANCE FROM SERRATED PORTION TO NUT END | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM |
| ADCU | DISTANCE FROM SERRATED PORTION TO STUD END | 0.538 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| ADCX | DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD | 0.127 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| ADDW | SERRATION QUANTITY | 17 |
| CMLP | THREAD QUANTITY PER INCH | 24 STUD THREAD |
| CMLP | THREAD QUANTITY PER INCH | 28 NUT THREAD |
| CQFM | HARDNESS RATING | 277.0 BRINELL STANDARD MINIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES NUT THD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES SHANK |
| CWKL | SERRATION INCLUDED ANGLE | 85.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM |
| MATT | MATERIAL | IRON ALLOY 660 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | LOCKED IN |
| THSD | THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| ADPE | Represents items with no adp components |
|---|---|
| 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 | A - Item does not contain precious metal. |
| AAC | Z |
|---|---|
| Classification Control | U |
| MGMT_CTL | 9b----- |
| Quantity per pack | 100 |
| 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: | 573 - Bolts or nuts (iron or steel),(less than 35 feet) |
![]() |
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