| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-173-3604 (011733604) |
| NCB Code | USA (01) |
| Manufacturer | West Coast Aerospace Inc, Alcoa Global Fasteners Inc, Hi Shear Corporation, Huck International Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc, Fastener Innovation Technology Inc, Twist Tite Mfg Inc, Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| WC4027-3-8 | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| HT4027-3-8 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| HT4027-3-8 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| HT4027-3-8 | huck international inc | screw close tolerance | 97928 | RFQ |
| ST3M577-3-8 | huck international inc | screw close tolerance | 17446 | RFQ |
| HT4027-3-8 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| HT4027-3-8 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| ST3M557-3-8 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| ST3M557-3-8 | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| ST3M557-3-8 | sps technologies inc | screw close tolerance | 0ptk6 | RFQ |
| ST3M557-3-8 | twist tite mfg inc | screw close tolerance | 007r1 | RFQ |
| ST3M557-3-8 | boeing company the | screw close tolerance | 76301 | RFQ |
| ST3M557-3-8 | 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 | 0.890 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM |
| 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 | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 23-118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-173-3604, 5305011733604 | ||||
| 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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