| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-277-0364 (012770364) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| FF-S-86 | federal specifications | screw cap socket head | 81348 | RFQ |
| MIL-F-18240 .5-13UNC-2AX1.812LG | military specifications | screw cap socket head | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.598 INCHES MINIMUM AND 1.812 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.752 INCHES MINIMUM AND 1.812 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.872 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | STRIP THREADS OR PATCH THREADS |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 13 |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| MATT | MATERIAL | NICKEL ALLOY K-500 FASTENER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 4 TYPE |
| Relevant Components for NSN - 5305-01-277-0364, 5305012770364 | ||||
| 5305-01-586-4216 (5305015864216) | 5315-01-329-3032 (5315013293032) | 5340-01-508-5897 (5340015085897) | 5306-01-476-8561 (5306014768561) | |
| 5330-00-171-7965 (5330001717965) | 5305-01-182-2172 (5305011822172) | 5330-00-395-1573 (5330003951573) | 5330-00-872-6408 (5330008726408) | |
| 5342-01-663-1331 (5342016631331) | 5310-00-631-6060 (5310006316060) | 5305-01-369-8238 (5305013698238) | 5306-01-664-2091 (5306016642091) | |
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.
Request for Quote
