| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-142-8395 (011428395) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Alcoa Global Fasteners Inc, Hi Shear Corporation, Huck International Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 3M958-4D28 | boeing company the | screw shoulder | 76301 | RFQ |
| 3M958-4D28 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| HT4049-4D28X | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| HT4049-4D28X | hi shear corporation | screw shoulder | 73197 | RFQ |
| HT4049-4D28X | huck international inc | screw shoulder | 97928 | RFQ |
| HT4049-4D28X | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| HT4049-4D28X | sps technologies inc | screw shoulder | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.051 INCHES MINIMUM AND 2.081 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM FIRST SHOULDER AND 0.2651 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.641 INCHES MINIMUM FIRST SHOULDER AND 1.661 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.081 INCHES MAXIMUM FIRST HOLE |
| 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 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.928 INCHES MINIMUM FIRST HOLE AND 1.968 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 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 - 5305-01-142-8395, 5305011428395 | ||||
| 5355-00-871-8773 (5355008718773) | 5340-01-243-1107 (5340012431107) | 5315-01-506-6976 (5315015066976) | 5360-01-371-2450 (5360013712450) | |
| 5305-01-613-5639 (5305016135639) | 5330-01-519-5567 (5330015195567) | 5310-01-577-1001 (5310015771001) | 5342-01-650-6980 (5342016506980) | |
| 5325-01-544-9407 (5325015449407) | 5330-01-276-9620 (5330012769620) | 5340-01-659-7595 (5340016597595) | 5340-01-362-7603 (5340013627603) | |
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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