| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-177-5321 (001775321) |
| NCB Code | USA (00) |
| Manufacturer | Nylok Corporation, Mkt Geotechnical Systems, National Aerospace Standards Com, Federal Specifications, Arma Div, Torkon Fastener Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NK60CR420-28E | nylok corporation | screw cap socket head | 26233 | RFQ |
| 12208-4 | mkt geotechnical systems | screw cap socket head | 20263 | RFQ |
| NAS1352C4LN28 | national aerospace standards com | screw cap socket head | 80205 | RFQ |
| FF-S-86E | federal specifications | screw cap socket head | 81348 | RFQ |
| 4-00277-087 | arma div | screw cap socket head | 03848 | RFQ |
| TN1352C4LN28 | torkon fastener corp | screw cap socket head | 26304 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.000 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.734 INCHES MINIMUM AND 1.781 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | PELLET THREADS |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| MATT | MATERIAL | STEEL COMP 302 FASTENER OR STEEL COMP 304 FASTENER OR STEEL COMP 305 FASTENER OR STEEL COMP 316 FASTENER OR STEEL COMP 384 FASTENER OR STEEL COMP XM-7 FASTENER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| SFTT | SURFACE TREATMENT | PASSIVATE FASTENER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5305-00-177-5321, 5305001775321 | ||||
| 5330-00-037-6893 (5330000376893) | 5307-00-803-5029 (5307008035029) | 5306-00-638-8373 (5306006388373) | 5330-01-185-7225 (5330011857225) | |
| 5365-00-089-1699 (5365000891699) | 5331-01-025-7783 (5331010257783) | 5330-01-362-7880 (5330013627880) | 5307-01-286-8388 (5307012868388) | |
| 5340-01-407-7865 (5340014077865) | 5340-01-609-2404 (5340016092404) | 5330-01-167-2303 (5330011672303) | 5340-01-145-4055 (5340011454055) | |
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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