1257/6.3/4T
View detailed technical data, stock status, and sourcing information for: 1257/6.3/4T
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Federal Supply Group
Vehicular Equipment Components
Federal Supply Classification
2590 Miscellaneous Vehicular Components
National Stock Number
2590-00-738-6975
Item Name Code
30128
Assigment Date
01/01/1961 (65 years ago)
0.500 inches nominal thread length, 1.875 inches nominal overall height, 2a thread class, 4.250 inches nominal overall diameter, nonpressurized system for which designed
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 Length
- 0.500 inches nominal
- Overall Height
- 1.875 inches nominal
- Overall Diameter
- 4.250 inches nominal
- System For Which Designed
- nonpressurized
- Thread Diameter
- 2.125 inches nominal
- Locking Device Type
- integral self lock
- Features Provided
- breather hole
- Thread Quantity
- 14.000 per inch
- Filler Neck Diameter For Which Designed
- 5.000 inches nominal
- Special Features
- brass 5.500 in. lg by 1.625 in. od strainer element is integral part of filler cap
- Color
- red
- Material
- copper alloy overall
- Surface Treatment
- paint overall
- Style Designator
- outside cam type
- Thread Series Designator
- uns
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 2910-00-032-2622 | No Name Available | 10/14/1973 |
| 2910-00-845-4389 | No Name Available | 07/15/1968 |
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 |
|---|---|
| 1257 | Filler Opening Cap |
| 1257-5-1-2 | Filler Opening Cap |
| 1257/6.3/4T | Filler Opening Cap |
| 22760 | Filler Opening Cap |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 2590-00-738-6975?
The FSCG of the NSN 2590-00-738-6975 is 2590
Does the NSN 2590-00-738-6975 have a Schedule B code assigned?
Yes, the Schedule B code is 8309100000
Does NSN 2590-00-738-6975 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 2590-00-738-6975 contain precious materials?
Precious metal content is unknown
Does NSN 2590-00-738-6975 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 2590-00-738-6975 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961
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Pricing
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