| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-283-4579 (002834579) |
| NCB Code | USA (00) |
| Manufacturer | Houston Precision Fastener L L C, Lisi Aerospace Canada Corp, Sps Technologies Inc, Hi Shear Corporation, Twist Tite Mfg Inc, West Coast Aerospace Inc, Huck International Inc, Boeing Company The, Fastener Innovation Technology Inc, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M430V3-4AS | houston precision fastener l l c | screw close tolerance | 1vsl7 | RFQ |
| HT271A3-4 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| 110179-3-4AS | sps technologies inc | screw close tolerance | k5673 | RFQ |
| HT271A3-4 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| ST3M430V3-4AS | twist tite mfg inc | screw close tolerance | 007r1 | RFQ |
| WC8137-3-4A | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| BM33024V3-4U | huck international inc | screw close tolerance | 97928 | RFQ |
| ST3M430V3-4AS | boeing company the | screw close tolerance | 76301 | RFQ |
| ST3M430V3-4AS | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| HT8137-3-4AS | alcoa global fasteners inc | screw close tolerance | 06950 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.376 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.044 INCHES MINIMUM |
| AAUR | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ANEE | GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRSQ | COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| FEAT | SPECIAL FEATURES | FURNISHED WITH ONE O-RING SEAL |
| MATT | MATERIAL | TITANIUM ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NAS621 COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-00-283-4579, 5305002834579 | ||||
| 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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