252M1
View detailed technical data, stock status, and sourcing information for: 252M1
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Federal Supply Group
Vehicular Equipment Components
Federal Supply Classification
2530 Vehicular Brake, Steering, Axle, Wheel and Track Components
National Stock Number
2530-00-383-4830
Item Name Code
10862
Assigment Date
01/01/1963 (63 years ago)
1.500 inches nominal bore diameter, 3.000 inches nominal overall width, 3930-00-958-3682 end item identification, threaded mounting holes mounting provision, 2.688 inches nominal overall height
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Mounting Provision
- threaded mounting holes
- Overall Height
- 2.688 inches nominal
- Overall Width
- 3.000 inches nominal
- Bore Diameter
- 1.500 inches nominal
- End Item Identification
- 3930-00-958-3682
- Mounting Facility Thread Class
- 2b
- Mounting Facility Thread Direction
- right-hand
- Bore Type
- straight
- Mounting Provision Arrangement Style
- two hole
- Features Provided
- bleeder valves and rubber boot
- Mounting Facility Thread Series Designator
- unc
- Mounting Facility Thread Diameter
- 0.375 inches nominal
- Mounting Facility Thread Quantity Per Inch
- 16
- Design Characteristics
- single acting single cylinder
- Mounting Type And Location
- flange center section
- Mounting Facility Thread Length
- 0.625 inches nominal
- Center To Center Distance Between Mounting Provisions
- 2.125 inches nominal
- Port Location And Quantity
- 1 center section
- Port Style
- gasket seal single port
- Port Thread Series Designator
- unf single port
- Port Thread Diameter
- 0.500 inches nominal single port
- Port Thread Quantity Per Inch
- 20 single port
- Port Thread Class
- 2b single port
- Bleeding Feature Quantity
- 1
- Criticality Code Justification
- feat
- Special Features
- weapon system essential
- Material
- iron cast body
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 2530-00-075-0151 | No Name Available | 06/09/1972 |
| 2530-00-390-8989 | No Name Available | 01/01/1963 |
| 2530-00-460-6105 | No Name Available | 02/13/1967 |
| 2530-00-615-6059 | No Name Available | 04/04/1967 |
| 2530-00-678-6493 | No Name Available | 03/07/1969 |
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 2530-00-383-4830?
The FSCG of the NSN 2530-00-383-4830 is 2530
Does the NSN 2530-00-383-4830 have a Schedule B code assigned?
Yes, the Schedule B code is 8708300050
Does NSN 2530-00-383-4830 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 2530-00-383-4830 contain precious materials?
Precious metal content is unknown
Does NSN 2530-00-383-4830 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 2530-00-383-4830 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
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
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Surplus | 842 |
| Serviceable | 5 |
| As Removed | 1 |
| New Material | 1,065 |
| Overhauled | 1 |
| Total | 1,914 |
Availability of this item was last updated on:
01/23/2026 10:01 PM EST.
Stock levels and pricing are subject to change.