AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-500-4489 (015004489) |
| NCB Code | USA (01) |
| Manufacturer | Military Specifications, Electric Boat Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 0.250-20UNC-3A X 0.625LG CRES | military specifications | screw cap socket head | RFQ |
| 218002666 | electric boat corporation | screw cap socket head | RFQ |
| B831-9522-26 | electric boat corporation | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.500 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.625 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.205 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.125 INCHES NOMINAL |
| AAUM | LOCKING FEATURE | PATCH HEAD OR PELLET HEAD |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AGAV | END ITEM IDENTIFICATION | SEAWOLF CLASS SSN |
| AHYM | NOMINAL THREAD DIAMETER | 0.125 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 28.0 ROCKWELL C NOMINAL OVERALL |
| MATT | MATERIAL | STEEL COMP 630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-1222, TY 2, GR 630 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.500 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.625 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.205 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.125 INCHES NOMINAL |
| AAUM | LOCKING FEATURE | PATCH HEAD OR PELLET HEAD |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AGAV | END ITEM IDENTIFICATION | SEAWOLF CLASS SSN |
| AHYM | NOMINAL THREAD DIAMETER | 0.125 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 28.0 ROCKWELL C NOMINAL OVERALL |
| MATT | MATERIAL | STEEL COMP 630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-1222, TY 2, GR 630 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-01-500-4489, 5305015004489 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
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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