| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-639-7277 (006397277) |
| NCB Code | USA (00) |
| Manufacturer | Meggitt International Ltd, Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.422 INCHES MINIMUM AND 0.484 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| MATT | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.141 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| SR-1 | MANUFACTURERS CODE | 81348 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SR-1 | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| SR-1 | SPEC/STD CONTROLLING DATA | |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
| CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY METALLIC HARDNESS RATING AND TENSILE STRENGTH |
| Components Related to NSN - 5305-00-639-7277, 5305006397277 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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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