| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-378-0023 (013780023) |
| NCB Code | USA (01) |
| Manufacturer | Accurate Screwmachine Corporation, Air Log Ltd |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 3-4054-1-159 | accurate screwmachine corporation | screw shoulder | 51506 | RFQ |
| 3-4054-1-159 | air log ltd | screw shoulder | k4340 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 8.0 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM |
| AASB | FASTENER LENGTH | 12.1 MILLIMETERS NOMINAL |
| AASU | HEAD HEIGHT | 5.8 MILLIMETERS MINIMUM AND 7.0 MILLIMETERS MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 1008 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASK | HEAD STYLE | DISHED HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 3.0 MILLIMETERS MINIMUM FIRST SHOULDER AND 3.2 MILLIMETERS MAXIMUM FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY3 SC2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJD | THREAD CLASS | 2A |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AATN | SHOULDER DIAMETER | 9.9 MILLIMETERS NOMINAL FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| Components Related to NSN - 5305-01-378-0023, 5305013780023 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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