| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-479-9142 (004799142) |
| NCB Code | USA (00) |
| Manufacturer | Necchi Spa, Kito Mfg Co Ltd, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.273 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.212 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.1705 INCHES MINIMUM FIRST SHOULDER AND 0.1725 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.150 INCHES MINIMUM FIRST SHOULDER AND 0.160 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJC |
| Relevant Components for NSN - 5305-00-479-9142, 5305004799142 | ||||
| 5330-01-701-4089 (5330017014089) | 5305-01-213-9722 (5305012139722) | 5320-01-460-5665 (5320014605665) | 5306-01-475-3608 (5306014753608) | |
| 5306-01-626-6230 (5306016266230) | 5306-00-292-8749 (5306002928749) | 5342-01-673-3505 (5342016733505) | 5330-01-283-1784 (5330012831784) | |
| 5365-01-228-1431 (5365012281431) | 5365-00-466-3750 (5365004663750) | 5310-00-595-7616 (5310005957616) | 5305-00-550-0140 (5305005500140) | |
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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