| Alternative NSN: 5305-00-242-4637 |
| Item Name: Screw Shoulder |
| CAGE Code : 92215 , 76301 , 73197 , L4528 , 80539 |
| NIIN: 002424637 |
| FSC Name: 5305 Screws |
| NCB Code: USA (00) |
| Manufacturers: alcoa global fasteners inc , boeing company the , hi shear corporation , lisi aerospace canada corp , sps technologies inc |
|
Part No Part No
|
Manufacturer |
Item Name Item Name
|
QTY QTY
|
RFQ RFQ
|
|---|---|---|---|---|
| HT409A4-20 | alcoa global fasteners inc | screw shoulder | Avl | |
| 3M50-4-20 | boeing company the | screw shoulder | Avl | |
| HT41UA20 | hi shear corporation | screw shoulder | Avl | |
| HT41UA20 | lisi aerospace canada corp | screw shoulder | Avl | |
| 54267-4-20 | sps technologies inc | screw shoulder | Avl |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.703 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.264 INCHES MINIMUM FIRST SHOULDER AND 0.265 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.173 INCHES MINIMUM FIRST SHOULDER AND 1.195 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | FURNISH WITH ONE O-RING 7M80 |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 3-52 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 3-52 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
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