Price breaks
| 1+ | $ 10.93 |
|---|
| Volume | Volume pricing on quotation |
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Price and availability subject to change. All orders subject to acceptance.
| NSN | 5305-01-027-5251 |
|---|
| Description | Screw, Close Tolerance |
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| Manufacturer |
On quotation |
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| CAGE code |
On quotation |
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| Condition |
On quotation |
|---|
| Certs |
On quotation |
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| Rev level |
On quotation |
|---|
| Shelf life |
On quotation |
|---|
Manufacturer, condition, certifications, revision and shelf life depend on the lot supplied and are stated on your quotation.
Part identification
| NSN | 5305-01-027-5251 |
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| NIIN | 01-027-5251 |
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| FSC | 5305 |
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| FSG | 53 |
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| Item Name | Screw, Close Tolerance |
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| INC | 29294 |
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| Assigned Date | 18-SEP-1976 |
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| Status | Active |
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Technical characteristics
| Thread Class | 3A |
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| Thread Direction | Right-hand |
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| Thread Length | 0.290 inches minimum and 0.357 inches maximum |
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| Fastener Length | 0.862 inches minimum and 0.909 inches maximum |
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| Head Style | Flat countersunk |
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| Head Diameter | 0.390 inches minimum and 0.395 inches maximum |
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| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
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| Internal Drive Style | High-torque |
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| Nominal Thread Diameter | 0.250 inches |
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| Grip Length | 0.552 inches minimum and 0.572 inches maximum |
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| Thread Quantity per Inch | 28 |
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| Minimum Tensile Strength | 160000 pounds per square inch |
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| Countersink Angle | 100.0 degrees nominal |
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| Surface Finish | 63.0 microinches grip |
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| Surface Finish | 63.0 microinches threads |
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| Material | Steel comp 4140 overall or steel comp E4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall |
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| Surface Treatment | Cadmium overall and chromate overall |
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| Surface Treatment Document and Classification | QQ-P-416, ty 2, cl 2 fed spec single treatment response overall |
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| Thread Series Designator | UNF |
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| Specification/Standard Data | 26512-GB510L manufacturers standard |
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Manufacturers
| Alcoa Global Fasteners Inc. (CAGE 92215) — Type A |
| Alcoa Global Fasteners Inc. (CAGE 06950) — Type A |
| Alcoa Global Fasteners Inc. (CAGE 92215) — Type A |
| Alenia Aeronautica SPA (CAGE A0170) — Type E |
| HI-Shear Corporation (CAGE 73197) — Type A |
| Lisi Aerospace Canada Corp. (CAGE L4528) — Type E |
| Northrop Grumman Systems Corporation (CAGE 26512) — Type A |
| SPS Technologies LLC (CAGE 80539) — Type A |
Alternate part numbers
| 106750-4-9 (CAGE 80539) |
| GB510L4-9 (CAGE 26512) |
| GB510L4-9 (CAGE 92215) |
| HT239PB-4-9 (CAGE A0170) |
| HT239PB4-9 (CAGE 73197) |
| HT239PB4-9 (CAGE L4528) |
| HT8043-4-9 (CAGE 06950) |
| HT8043-4-9 (CAGE 92215) |
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