AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket He |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-343-1758 (013431758) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS16998-101L | military standards corp | screw cap socket he | RFQ |
| FF-S-86 | military specifications | screw cap socket he | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | STEEL OVERALL |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.750 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | PATCH THREADS OR STRIP THREADS |
| ASDB | WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 6 TYPE |
| AASB | FASTENER LENGTH | 2.440 INCHES MINIMUM AND 2.500 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| Relevant Components for NSN - 5305-01-343-1758, 5305013431758 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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