At NSN Unlimited, we maintain a large database of parts WC4027-4-20, ST3M557-4-20, ST3M557 4 20, HT4027-4-20, HT4027 4 20 with NSN 5305-01-591-0029 used in civil and defense applications for the aerospace, marine, and commercial manufactured by West Coast Aerospace Inc, Saturn Fasteners Inc, Valley Todeco 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: 5305-01-591-0029 |
| Item Name: Screw Close Toleran |
| FSG: 53 Hardware and Abrasives |
| Federal Supply Class (FSC): 5305 Screws |
| NIIN: 015910029 |
| NCB Code: USA (01) |
| Manufacturers: West Coast Aerospace Inc , Saturn Fasteners Inc , Valley Todeco Inc , Camcar Llc , Boeing Company The , Houston Precision Fastener L L C , Linread Ltd , Heartland Precision Fasteners Inc , Lisi Aerospace , Huck International Inc , Hi Shear Corporation , Alcoa Global Fasteners Inc , Sps Technologies Ltd , Reid Products Inc |
| Part No | NSN | Item Name | Manufacturer | QTY | RFQ |
|---|---|---|---|---|---|
| WC4027-4-20 | 5305-01-591-0029 | screw close toleran | west coast aerospace inc | Avl | RFQ |
| ST3M557-4-20 | 5305-01-591-0029 | screw close toleran | saturn fasteners inc | Avl | RFQ |
| ST3M557-4-20 | 5305-01-591-0029 | screw close toleran | valley todeco inc | Avl | RFQ |
| ST3M557-4-20 | 5305-01-591-0029 | screw close toleran | camcar llc | Avl | RFQ |
| ST3M557-4-20 | 5305-01-591-0029 | screw close toleran | boeing company the | Avl | RFQ |
| ST3M557-4-20 | 5305-01-591-0029 | screw close toleran | houston precision fastener l l c | Avl | RFQ |
| ST3M557-4-20 | 5305-01-591-0029 | screw close toleran | linread ltd | Avl | RFQ |
| ST3M557 4 20 | 5305-01-591-0029 | screw close toleran | heartland precision fasteners inc | Avl | RFQ |
| HT4027-4-20 | 5305-01-591-0029 | screw close toleran | lisi aerospace | Avl | RFQ |
| HT4027-4-20 | 5305-01-591-0029 | screw close toleran | huck international inc | Avl | RFQ |
| HT4027-4-20 | 5305-01-591-0029 | screw close toleran | hi shear corporation | Avl | RFQ |
| HT4027-4-20 | 5305-01-591-0029 | screw close toleran | alcoa global fasteners inc | Avl | RFQ |
| HT4027 4 20 | 5305-01-591-0029 | screw close toleran | sps technologies ltd | Avl | RFQ |
| 11923-4-20 | 5305-01-591-0029 | screw close toleran | reid products inc | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FILLISTER COUNTERSUNK |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| ANEE | GRIP LENGTH | 1.250 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| FEAT | SPECIAL FEATURES | HEAD HAS A 1.40 DEGREE RADIUS DOME. |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ABQJ | POINT STYLE | FLAT |
| CWDK | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| AASB | FASTENER LENGTH | 1.282 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.015 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE, 100 DEG COUNTERSUNK, REDUCED HEAD, HI-TORQUE, NON-MAGNETIC CRES (125 KSI FUS) |
| AAUR | GRIP DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AAUY | POINT LENGTH | 0.045 INCHES NOMINAL |
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