| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-133-1572 (011331572) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Lisi Aerospace Canada Corp, Nimikkeistokeskus Ncb Finland, Huck International Inc, Fastener Innovation Technology Inc, West Coast Aerospace Inc, Hi Shear Corporation, Alcoa Global Fasteners Inc, Twist Tite Mfg Inc, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M557-4-4 | boeing company the | screw close tolerance | 76301 | RFQ |
| HT4027-4-4 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| 10115341 | nimikkeistokeskus ncb finland | screw close tolerance | a486g | RFQ |
| HT4027-4-4 | huck international inc | screw close tolerance | 97928 | RFQ |
| ST3M557-4-4 | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| WC4027-4-4 | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| HT4027-4-4 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| HT4027-4-4 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| ST3M557-4-4 | twist tite mfg inc | screw close tolerance | 007r1 | RFQ |
| HT4027-4-4 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 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 | 0.240 INCHES MINIMUM AND 0.260 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 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 23-118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-133-1572, 5305011331572 | ||||
| 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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