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Quality guaranteed We sell only warrantied and traceable partsMfg Part Number: B1990-7-4
Alternate P/N: B199074
NSN : 5305-00-250-2144
NIIN : 002502144
CAGE Code : 03481
Manufacturer: Bfgoodrich Co The Aerospace Div
Item Name : Screw Shoulder
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 Shoulder from Bfgoodrich Co The Aerospace Div, as well as part numbers like B1990-7-4 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 5305002502144 from manufacturers like Bfgoodrich Co The Aerospace Div. To begin the purchasing process immediately, submit an RFQ today for part number B1990-7-4.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-250-2144 Item Description: Screw Shoulder | 5305 | 002502144 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| B1990-7-4 | 6 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 0.891 INCHES MINIMUM AND 0.921 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.276 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 0.530 INCHES MINIMUM FIRST SHOULDER AND 0.560 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 4037 OVERALL OR STEEL COMP 8740 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.291 INCHES MINIMUM AND 0.351 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AATN | SHOULDER DIAMETER | 0.193 INCHES MINIMUM FIRST SHOULDER AND 0.195 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| FEAT | SPECIAL FEATURES | TOP OF HEAD RED |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
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