| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-490-1851 (004901851) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, National Aerospace Standards Com, Military Standards Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| FFS85 | federal specifications | screw cap hexagon head | 81348 | RFQ |
| MS51095-444 | national aerospace standards com | screw cap hexagon head | 80205 | RFQ |
| MS51095-444 | military standards corp | screw cap hexagon head | 96906 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.727 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 3.156 INCHES MINIMUM AND 3.250 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.094 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| ASXK | HOLE QUANTITY | 1 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 11 |
| CQBC | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 5 GRADE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY DRILLED HOLE IN HEAD |
| Relevant Components for NSN - 5305-00-490-1851, 5305004901851 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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