| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-548-5790 (005485790) |
| NCB Code | USA (00) |
| Manufacturer | Nylok Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NS140DS420N7C | nylok corporation | screw cap socket head | 26233 | RFQ |
| S4DS420-7C | nylok corporation | screw cap socket head | 14438 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.338 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.438 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | STRIP THREADS |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-548-5790, 5305005485790 | ||||
| 5305-01-322-2550 (5305013222550) | 5330-01-188-5652 (5330011885652) | 5365-01-342-4981 (5365013424981) | 5340-01-345-9187 (5340013459187) | |
| 5365-01-413-4862 (5365014134862) | 5331-01-305-0237 (5331013050237) | 5305-01-441-4148 (5305014414148) | 5305-00-431-8851 (5305004318851) | |
| 5340-01-464-8492 (5340014648492) | 5315-01-037-1145 (5315010371145) | 5305-01-506-5142 (5305015065142) | 5365-01-426-4082 (5365014264082) | |
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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