| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-591-0047 (015910047) |
| NCB Code | USA (01) |
| Manufacturer | Reid Products Inc, Sps Technologies Inc, Alcoa Global Fasteners Inc, Huck International Inc, Lisi Aerospace Canada Corp, Hi Shear Corporation, Houston Precision Fastener L L C, Fastener Innovation Technology Inc, Saturn Fasteners Inc, Boeing Company The, Linread Canada Ltd, Heartland Precision Fasteners In, Valley Todeco Inc, Camcar Llc, West Coast Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 11923-4-21 | reid products inc | screw close tolerance | 59563 | RFQ |
| HT4027-4-21 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| HT4027-4-21 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| HT4027-4-21 | huck international inc | screw close tolerance | 17446 | RFQ |
| HT4027-4-21 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| HT4027-4-21 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| ST3M557-4-21 | houston precision fastener l l c | screw close tolerance | 1vsl7 | RFQ |
| ST3M557-4-21 | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| ST3M557-4-21 | saturn fasteners inc | screw close tolerance | 0k6z0 | RFQ |
| ST3M557-4-21 | boeing company the | screw close tolerance | 76301 | RFQ |
| ST3M557-4-21 | linread canada ltd | screw close tolerance | u6683 | RFQ |
| ST3M557-4-21 | heartland precision fasteners in | screw close tolerance | 0zc92 | RFQ |
| ST3M557-421 | valley todeco inc | screw close tolerance | 06710 | RFQ |
| ST3M668-4-21 | camcar llc | screw close tolerance | 4wl75 | RFQ |
| WC4027-4-21 | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.767 INCHES MINIMUM AND 1.797 INCHES MAXIMUM |
| AASK | HEAD STYLE | FILLISTER COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.015 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.249 NOMINAL MILS AND 0.250 NOMINAL CENTIMETERS |
| AAUY | POINT LENGTH | 0.045 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.313 NOMINAL INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWDK | POINT CHAMFER ANGLE | 45.0 MAXIMUM OF STANDARD RANGE SINGLE TREATMENT RESPONSE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CLOSE TOLERANCE, 100 DEG COUNTERSUNK, REDUCED HEAD, HI-TORQUE, NON-MAGNETIC CRES (125 KSI FSU) |
| FEAT | SPECIAL FEATURES | HEAD HAS A 1.40 DEGREE RADIUS DOME |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700, METHOD 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-01-591-0047, 5305015910047 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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