MS51957-88B
View detailed technical data, stock status, and sourcing information for: MS51957-88B
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part MS51957-88B to receive an up to date pricing and availability quote by email.
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, right-hand thread direction, 2.156 inches minimum and 2.250 inches maximum fastener length, 1.750 inches minimum thread length, 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
- 1.750 inches minimum
- Fastener Length
- 2.156 inches minimum and 2.250 inches maximum
- 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
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 80000 pounds per square inch
- Screw Material
- steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
- Screw Surface Treatment
- oxide
- Screw Surface Treatment Document And Classification
- mil-c-13924 cl 4 mil spec single treatment response
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 3 type and 9c style
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 |
|---|---|
| MS51957-88B | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-059-1915?
Does the NSN 5305-01-059-1915 have a Schedule B code assigned?
Does NSN 5305-01-059-1915 require demilitarization?
Does NSN 5305-01-059-1915 contain precious materials?
Does NSN 5305-01-059-1915 contain hazardous materials?
When the NSN 5305-01-059-1915 was assigned to the Federal Catalog?
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
You May Also Like
Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.
Pricing
Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:
