| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-296-7810 (012967810) |
| NCB Code | USA (01) |
| Manufacturer | American National Standards, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1 4 28 UNF 3A X 1 1 4 IN STL | american national standards | screw cap socket head | 80204 | RFQ |
| MIL-DTL-1222 | military specifications | screw cap socket head | 81349 | RFQ |
| MIL-S-1222 | military specifications | screw cap socket head | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.000 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,SOCKET HEAD |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
| Relevant Components for NSN - 5305-01-296-7810, 5305012967810 | ||||
| 5306-00-328-4387 (5306003284387) | 5315-00-597-5584 (5315005975584) | 5305-01-348-0619 (5305013480619) | 5305-01-552-2787 (5305015522787) | |
| 5330-01-171-0634 (5330011710634) | 5325-01-387-4976 (5325013874976) | 5320-00-343-5474 (5320003435474) | 5365-00-409-4173 (5365004094173) | |
| 5325-01-631-8303 (5325016318303) | 5330-01-466-9019 (5330014669019) | 5342-01-629-8604 (5342016298604) | 5330-00-785-0730 (5330007850730) | |
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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