1631C
View detailed technical data, stock status, and sourcing information for: 1631C
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A part basically circular in shape, designed to cover or seal the filler-neck or inlet opening of a fuel tank, radiator, oil reservoir, liquid storage tank or the like. It may be either permanently attached to the object for which it is designed or provided with a means of removal and replacement. Excludes:cap, vent, fuel storage tank; and cover (1), (as modified).
1.938 inches nominal outside diameter, +1.5814 to 1.5844 inches thread pitch diameters, 0.312 inches nominal thread length, handle gripping accommodation type, 2a thread class
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 Pitch Diameters
- +1.5814 to 1.5844 inches
- Thread Length
- 0.312 inches nominal
- Gripping Accommodation Type
- handle
- Outside Diameter
- 1.938 inches nominal
- Overall Height
- 1.000 inches nominal
- Overall Diameter
- 2.062 inches nominal
- System For Which Designed
- nonpressurized
- Thread Diameter
- 1.6250 inches nominal
- Features Provided
- submersible
- Thread Quantity
- 16.000 per inch
- Criticality Code Justification
- feat
- Special Features
- weapon system essential
- Material
- zinc alloy overall
- Material Document And Classification
- sae 903 assn std single material response overall
- Style Designator
- non-vented threaded type (external)
- Thread Series Designator
- un
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 2805-00-367-4636 | No Name Available | 01/09/1970 |
| 4730-00-511-1665 | No Name Available | 03/02/1970 |
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 |
|---|---|
| 05-53325 | Filler Opening Cap |
| 1492A2 | Filler Opening Cap |
| 1631C | Filler Opening Cap |
| 1AB4296 | Filler Opening Cap |
| 1CA297 | Filler Opening Cap |
| 4914483-5 | Filler Opening Cap |
| 508A4 | Filler Opening Cap |
| 5E6170 | Filler Opening Cap |
| 7E5516 | Filler Opening Cap |
| 926434 | Filler Opening Cap |
| A340282 | Filler Opening Cap |
| B4296 | Filler Opening Cap |
| B4296-V | Filler Opening Cap |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 2590-00-274-3402?
Does the NSN 2590-00-274-3402 have a Schedule B code assigned?
Does NSN 2590-00-274-3402 require demilitarization?
Does NSN 2590-00-274-3402 contain precious materials?
Does NSN 2590-00-274-3402 contain hazardous materials?
When the NSN 2590-00-274-3402 was assigned to the Federal Catalog?
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Pricing
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