| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-268-5973 (012685973) |
| NCB Code | USA (01) |
| Manufacturer | Reid Products Inc, Hi Shear Corporation, Huck International Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc, Alcoa Global Fasteners Inc, Boeing Company The, Fastener Innovation Technology Inc, Heartland Precision Fasteners In, Valley Todeco Inc, Houston Precision Fastener L L C, West Coast Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 11927C4-10A | reid products inc | screw shoulder | 59563 | RFQ |
| HT4020-4-10AX | hi shear corporation | screw shoulder | 73197 | RFQ |
| HT4020-4-10AX | huck international inc | screw shoulder | 97928 | RFQ |
| HT4020-4-10AX | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| HT4020-4-10AX | sps technologies inc | screw shoulder | 80539 | RFQ |
| HT4020-4-10AX | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| ST3M653C4-10A | boeing company the | screw shoulder | 76301 | RFQ |
| ST3M653C4-10A | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| ST3M653C4-10A | heartland precision fasteners in | screw shoulder | 0zc92 | RFQ |
| ST3M653C4-10A | valley todeco inc | screw shoulder | 06710 | RFQ |
| ST3M653C4-10A | houston precision fastener l l c | screw shoulder | 1vsl7 | RFQ |
| ST3M653C4-10A | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| WC4020-4-10AX | west coast aerospace inc | screw shoulder | 60516 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.264 INCHES MINIMUM FIRST SHOULDER AND 0.265 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.558 INCHES MINIMUM FIRST SHOULDER AND 0.560 INCHES MAXIMUM 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 | O-RING INCLUDED P/N ST7M251-8 |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-01-268-5973, 5305012685973 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
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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