2504188-287
View detailed technical data, stock status, and sourcing information for: 2504188-287
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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.
2.000 inches nominal fastener length, flat countersunk head style, 2a thread class, right-hand thread direction, 1.938 inches minimum and 2.000 inches maximum thread 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
- 1.938 inches minimum and 2.000 inches maximum
- Fastener Length
- 2.000 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.285 inches minimum and 0.332 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity Per Inch
- 32
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- steel comp 302 or steel comp 303 or steel comp 304
- Screw Material Document And Classification
- 66 fed std all material responses
- Screw Surface Treatment
- passivate
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-589-2968 | No Name Available | 05/16/1967 |
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| MS24693C-62 | Machine Screw |
| PBF1068-330C | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-902-2141?
Does the NSN 5305-00-902-2141 have a Schedule B code assigned?
Does NSN 5305-00-902-2141 require demilitarization?
Does NSN 5305-00-902-2141 contain precious materials?
Does NSN 5305-00-902-2141 contain hazardous materials?
When the NSN 5305-00-902-2141 was assigned to the Federal Catalog?
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