| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-114-1967 (001141967) |
| NCB Code | USA (00) |
| Manufacturer | Huck International Inc, Northrop Grumman Technical Services Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc, Alcoa Global Fasteners Inc, Hi Shear Corporation, Tilley John S Ladder Co Inc, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 51B924-3 | huck international inc | screw close tolerance | RFQ |
| 51B294-3 | northrop grumman technical services inc | screw close tolerance | RFQ |
| 51B294-3 | lisi aerospace canada corp | screw close tolerance | RFQ |
| 51B924-3 | sps technologies inc | screw close tolerance | RFQ |
| 51B924-3 | alcoa global fasteners inc | screw close tolerance | RFQ |
| 51B294-3 | hi shear corporation | screw close tolerance | RFQ |
| 51B294-3 | tilley john s ladder co inc | screw close tolerance | RFQ |
| 51B294-3 | northrop grumman systems corporation | screw close tolerance | RFQ |
| 51B294-3 | sps technologies inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.271 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.488 INCHES MINIMUM AND 0.535 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.496 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| FEAT | SPECIAL FEATURES | ALUMINUM GROMMET 0.012 IN. THK ON BEARING SURFACE OF HEAD |
| MATT | MATERIAL | STEEL COMP 430FSE OR STEEL COMP 81B45 OR STEEL COMP 4140 OR STEEL COMP 302B OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-114-1967, 5305001141967 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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