At NSN Unlimited, we maintain a large database of parts ST3M557-3-20, ST3M557 3 20, ST3M557, HT4027-3-20, 11923-3-20 with NSN 5305-01-521-9549 used in civil and defense applications for the aerospace, marine, and commercial manufactured by Hi Shear Corporation, Heartland Precision Fasteners Inc, Emhart Teknologies Inc, Camcar Llc, Boeing Company The. Utilize our interface to browse items by part number, part type, manufacturer, and more. Obtain insights on top MRO and FBO services, Manufacturer profiles, and part catalogs.
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| Alternative NSN: 5305-01-521-9549 |
| Item Name: Screw Close Toleran |
| FSG: 53 Hardware and Abrasives |
| Federal Supply Class (FSC): 5305 Screws |
| NIIN: 015219549 |
| NCB Code: USA (01) |
| Manufacturers: Hi Shear Corporation , Heartland Precision Fasteners Inc , Emhart Teknologies Inc , Camcar Llc , Boeing Company The , Alcoa Global Fasteners Inc , West Coast Aerospace Inc , Valley Todeco Inc , Twist Tite Mfg Inc , Sps Technologies Ltd , Reid Products Inc , Linread Ltd , Huck International Inc , Houston Precision Fastener L L C , Saturn Fasteners Inc |
| Part No | NSN | Item Name | Manufacturer | QTY | RFQ |
|---|---|---|---|---|---|
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | hi shear corporation | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | heartland precision fasteners inc | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | emhart teknologies inc | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | camcar llc | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | boeing company the | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | alcoa global fasteners inc | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | west coast aerospace inc | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | valley todeco inc | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | twist tite mfg inc | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | sps technologies ltd | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | reid products inc | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | linread ltd | Avl | RFQ |
| ST3M557-3-20 | 5305-01-521-9549 | screw close toleran | huck international inc | Avl | RFQ |
| ST3M557 3 20 | 5305-01-521-9549 | screw close toleran | houston precision fastener l l c | Avl | RFQ |
| ST3M557 3 20 | 5305-01-521-9549 | screw close toleran | saturn fasteners inc | Avl | RFQ |
| ST3M557 | 5305-01-521-9549 | screw close toleran | sps technologies ltd | Avl | RFQ |
| ST3M557 | 5305-01-521-9549 | screw close toleran | alcoa global fasteners inc | Avl | RFQ |
| ST3M557 | 5305-01-521-9549 | screw close toleran | boeing company the | Avl | RFQ |
| HT4027-3-20 | 5305-01-521-9549 | screw close toleran | sps technologies ltd | Avl | RFQ |
| HT4027-3-20 | 5305-01-521-9549 | screw close toleran | boeing company the | Avl | RFQ |
| HT4027-3-20 | 5305-01-521-9549 | screw close toleran | alcoa global fasteners inc | Avl | RFQ |
| 11923-3-20 | 5305-01-521-9549 | screw close toleran | reid products inc | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AAJD | THREAD CLASS | 3A |
| AAUR | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AASA | THREAD LENGTH | 0.406 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| ANEE | GRIP LENGTH | 1.125 INCHES NOMINAL |
| AGAV | III END ITEM IDENTIFICATION | FUSELAGE |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.531 INCHES NOMINAL |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE, 100 DEGREE COUNTERSUNK,REDUCED HEAD, HI-TORQUE,NONMAGNETIC CRES (125 KSI FSU) |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
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