551-3081-666
View detailed technical data, stock status, and sourcing information for: 551-3081-666
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
1.688 inches minimum and 1.750 inches maximum thread length, 1.750 inches nominal fastener length, right-hand thread direction, 2a thread class, pan head style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.688 inches minimum and 1.750 inches maximum
- Fastener Length
- 1.750 inches nominal
- Head Style
- pan
- Head Diameter
- 0.357 inches minimum and 0.373 inches maximum
- Head Height
- 0.122 inches minimum and 0.133 inches maximum
- Internal Drive Style
- cross recess type 1
- End Item Identification
- w/s:communications terminal, satellite an/gsc-39(v)1; test station, oq-290(v)msm; support equipment, b-1 aircraft; boilers, 1200 psi; aircraft (ac-130h, mc-130h, ec-130e, hc-130); main feed pumps; trainer, b-1b aircraft; support equipment, b-52 aircraft;l aircraft, awacs, e-3a; fire control system, mk-92 (fcs)
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 80000 pounds per square inch
- Screw Material
- steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
- Screw Material Document And Classification
- 66 fed std all material responses
- Screw Surface Treatment
- passivate
- Screw Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-059-8600 | No Name Available | 06/04/2008 |
| 5305-00-325-0098 | No Name Available | 06/01/2006 |
| 5305-00-990-7583 | No Name Available | 11/01/1988 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 112-1051-013 | Machine Screw |
| 245438 | Machine Screw |
| 418330-70 | Machine Screw |
| 5305000593666 | Machine Screw |
| 551-3081-666 | Machine Screw |
| 8914375-29 | Machine Screw |
| 915025-0070 | Machine Screw |
| FF-S-92TYPE3STYLE9C | Machine Screw |
| MS51958-70 | Machine Screw |
| WC1052-070 | Machine Screw |
FAQs
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Does NSN 5305-00-059-3666 contain precious materials?
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When the NSN 5305-00-059-3666 was assigned to the Federal Catalog?
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