| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-809-1740 (008091740) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Technical Services Inc, Alcoa Global Fasteners Inc, Northrop Grumman Systems Corporation, Lisi Aerospace Canada Corp, Hi Shear Corporation, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 51B334-3 | northrop grumman technical services inc | screw close tolerance | 0jrc1 | RFQ |
| 51B334-3 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| 51B334-3 | northrop grumman systems corporation | screw close tolerance | 76823 | RFQ |
| 51B334-3 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| 51B334-3 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| 51B334-3 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.507 INCHES NOMINAL |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-P-416 TY 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.316 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.476 INCHES MINIMUM AND 0.543 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.176 INCHES MINIMUM AND 0.196 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP E4340 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR CADMIUM OVERALL AND CHROMATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-809-1740, 5305008091740 | ||||
| 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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