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Quality guaranteed We sell only warrantied and traceable partsMfg Part Number: B18.2.1
Alternate P/N: B1821
NSN : 5305-01-277-0458
NIIN : 012770458
CAGE Code : 80204
Manufacturer: American National Standards Inst
Item Name : Screw Cap Hexagon Head
FSC : FSC 5305 Screws
If you’re in need of NSN parts, look no further than NSN Orbit. Owned and operated by ASAP Semiconductor, we have access to an unparalleled inventory of parts and components for the aerospace, civil aviation, defense, electronics, and industrial markets. This includes parts such as Screw Cap Hexagon Head from American National Standards Inst, as well as part numbers like B18.2.1 and many more. NSN Orbit has more than two billion new and obsolete parts readily available with short lead times and competitive prices, and as we are an AS9120B, ISO 9001:2015, and FAA AC 00-56B accredited business, and the only independent distributor with a strict No China Sourcing Pledge, each part we sell is fully traceable or comes directly from the manufacturer.
Our website offers an array of parametric search capabilities that allow our customers to search for parts through a number of filters, one of which is the National Stock Number, or NSN. A National Stock Number is an identifier applied to any item of supply that is repeatedly procured, stocked, stored, issued, and used throughout the federal supply system. NSN Orbit has a broad selection of NSN parts such as 5305012770458 from manufacturers like American National Standards Inst. To begin the purchasing process immediately, submit an RFQ today for part number B18.2.1.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-277-0458 Item Description: Screw Cap Hexagon Head | 5305 | 012770458 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| B18.2.1 | 5 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 8 GRADE |
| AASA | THREAD LENGTH | 0.369 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
 |
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