| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-081-0751 (010810751) |
| NCB Code | USA (01) |
| Manufacturer | Fastener Innovation Technology Inc, Huck International Inc, Nimikkeistokeskus Ncb Finland, Hi Shear Corporation, Boeing Company The, West Coast Aerospace Inc, Reid Products Inc, Alcoa Global Fasteners Inc, Sps Technologies Inc, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M495-4-5-1 | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| HT4016-4-5X | huck international inc | screw shoulder | 97928 | RFQ |
| 10114986 | nimikkeistokeskus ncb finland | screw shoulder | a486g | RFQ |
| HT4016-4-5X | hi shear corporation | screw shoulder | 73197 | RFQ |
| ST3M495-4-5-1 | boeing company the | screw shoulder | 76301 | RFQ |
| ST3M495-4-5-1 | west coast aerospace inc | screw shoulder | 60516 | RFQ |
| 11911-4-5-1 | reid products inc | screw shoulder | 59563 | RFQ |
| HT4016-4-5X | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| HT4016-4-5X | sps technologies inc | screw shoulder | 80539 | RFQ |
| HT4016-4-5X | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.312 INCHES MINIMUM AND 0.362 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.634 INCHES MINIMUM AND 0.664 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.015 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM FIRST SHOULDER AND 0.2651 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.259 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | SOCKET DRIVE RECESS IN THREAD END 0.095 IN. MIN AND 0.097 IN. MAX WIDTH ACROSS FLATS |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-081-0751, 5305010810751 | ||||
| 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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