NASM51958-82
View detailed technical data, stock status, and sourcing information for: NASM51958-82
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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.
2a thread class, 0.804 inches minimum and 0.875 inches maximum thread length, pan head style, right-hand thread direction, 0.875 inches nominal fastener length
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
- 0.804 inches minimum and 0.875 inches maximum
- Fastener Length
- 0.875 inches nominal
- Head Style
- pan
- Head Diameter
- 0.473 inches minimum and 0.492 inches maximum
- Head Height
- 0.162 inches minimum and 0.175 inches maximum
- Internal Drive Style
- cross recess type 1
- End Item Identification
- w/s:central message switch, an/tyc-39a; close in weapon system (ciws-phalanx); support equipment, b-1 aircraft; aircraft (ac-130h, mc-130h, ec-130e, hc-130); support equipment, b-52 aircraft; missile, air intercept, sidewinder (aim-9); airborne mobile dir air spt ctl (2id),(02m jul83)(an/uyq-3a); missile, air-to-air, phoenix (aim-54); missile, tomahawk
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- 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 |
|---|---|---|
| 5305-00-059-8610 | No Name Available | 07/07/2003 |
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 |
|---|---|
| 112-1051-025 | Machine Screw |
| 401-6357200-46 | Machine Screw |
| 5305000595432 | Machine Screw |
| 7903132-17 | Machine Screw |
| 946838-2414 | Machine Screw |
| MS51958-82 | Machine Screw |
| NASM51958-82 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-059-5432?
Does the NSN 5305-00-059-5432 have a Schedule B code assigned?
Does NSN 5305-00-059-5432 require demilitarization?
Does NSN 5305-00-059-5432 contain precious materials?
Does NSN 5305-00-059-5432 contain hazardous materials?
When the NSN 5305-00-059-5432 was assigned to the Federal Catalog?
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