| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-518-5807 (005185807) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, Hi Shear Corporation, Reid Products Inc, Sps Technologies Inc, Boeing Company The, West Coast Aerospace Inc, Lisi Aerospace Canada Corp, Huck International Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M454-4L18 | alcoa global fasteners inc | screw close tolerance | 06950 | RFQ |
| HT4025L4-18 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| 11905-4L18 | reid products inc | screw close tolerance | 59563 | RFQ |
| HT4025L4-18 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| ST3M454-4L18 | boeing company the | screw close tolerance | 76301 | RFQ |
| WC4025L-4-18 | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| HT4025L4-18 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| HT4025L4-18 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| HT4025L4-18 | huck international inc | screw close tolerance | 97928 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.579 INCHES MINIMUM AND 1.609 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 | 1.115 INCHES MINIMUM AND 1.135 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 | UNJF |
| Relevant Components for NSN - 5305-00-518-5807, 5305005185807 | ||||
| 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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