| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-279-1855 (002791855) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The, Alcoa Fastening Systems Ltd, Reid Products Inc, Lisi Aerospace Canada Corp, Fastener Innovation Technology Inc, Alcoa Global Fasteners Inc, Huck International Inc, Sps Technologies Inc, Satair Usa Inc, Hi Shear Corporation, West Coast Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M454-4L22 | boeing company the | screw close tolerance | 76301 | RFQ |
| HT4025L4-22 | alcoa fastening systems ltd | screw close tolerance | c4293 | RFQ |
| 11905-4L22 | reid products inc | screw close tolerance | 59563 | RFQ |
| HT4025L4-22 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| ST3M454-4L22 | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| ST3M454-4L22 | alcoa global fasteners inc | screw close tolerance | 06950 | RFQ |
| HT4025L4-22 | huck international inc | screw close tolerance | 97928 | RFQ |
| HT4025L4-22 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| HT4025L4-22 | satair usa inc | screw close tolerance | r1120 | RFQ |
| HT4025L4-22 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| HT4025L4-22 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| ST3M454-4L22 | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.449 INCHES MINIMUM AND 0.489 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.834 INCHES MINIMUM AND 1.854 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-279-1855, 5305002791855 | ||||
| 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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