| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-591-0381 (015910381) |
| NCB Code | USA (01) |
| Manufacturer | West Coast Aerospace Inc, Hi Shear Corporation, Alcoa Global Fasteners Inc, Reid Products Inc, Saturn Fasteners Inc, Huck International Inc, Heartland Precision Fasteners In, Valley Todeco Inc, Boeing Company The, Lisi Aerospace Canada Corp, Camcar Llc, Houston Precision Fastener L L C, Linread Canada Ltd, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| WC4027-4-14 | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| HT4027-4-14 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| HT4024-4-14 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| 11923-4-14 | reid products inc | screw close tolerance | 59563 | RFQ |
| ST3M557-4-14 | saturn fasteners inc | screw close tolerance | 0k6z0 | RFQ |
| HT4027-4-14 | huck international inc | screw close tolerance | 17446 | RFQ |
| HT4027-4-14 | alcoa global fasteners inc | screw close tolerance | 06950 | RFQ |
| ST3M557-4-14 | heartland precision fasteners in | screw close tolerance | 0zc92 | RFQ |
| ST3M557-4-14 | valley todeco inc | screw close tolerance | 06710 | RFQ |
| ST3M557-4-14 | boeing company the | screw close tolerance | 76301 | RFQ |
| HT4027-4-14 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| ST3M557-4-14 | camcar llc | screw close tolerance | 4wl75 | RFQ |
| ST3M557-4-14 | houston precision fastener l l c | screw close tolerance | 1vsl7 | RFQ |
| ST3M557-4-14 | linread canada ltd | screw close tolerance | u6683 | RFQ |
| HT4027-4-14 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.329 INCHES MINIMUM AND 1.359 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 | 0.875 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 DEG 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 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-591-0381, 5305015910381 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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