C7988-6
View detailed technical data, stock status, and sourcing information for: C7988-6
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-053-3363
Item Name Code
05280
Assigment Date
01/02/1978 (48 years ago)
A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.
right-hand thread direction, 0.125 inches minimum and 0.130 inches maximum mounting hole diameter, dry film lubricant lubrication, prevailing torque all metal design locking feature, 3b 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
- 3b
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque all metal design
- Lubrication
- dry film lubricant
- Mounting Hole Diameter
- 0.125 inches minimum and 0.130 inches maximum
- Nut Style
- plate
- Nut Length
- 1.115 inches nominal
- Nut Height
- 0.590 inches minimum and 0.630 inches maximum
- Plate Thickness
- 0.025 inches minimum and 0.035 inches maximum
- Plate Width
- 0.545 inches minimum and 0.575 inches maximum
- Removable Nut Manufacturer Code
- 29372
- Nut Mounting Provision
- straight holes
- Mounting Hole Arrangement Style
- 2 holes
- Distance From Aperture Center To Mounting Hole Center
- 0.435 inches minimum and 0.440 inches maximum
- Center To Center Distance Between Mounting Holes Along Length
- 0.873 inches minimum and 0.877 inches maximum
- Removable Nut Manufacturer Part Number
- ca21024-1
- Thread Series
- unf
- Features Provided
- floating nut
- Thread Quantity Per Inch
- 24
- Nominal Thread Size
- 0.375 inches
- Material
- steel corrosion resisting shell
- Material
- steel comp 8740 or steel comp 4140 nut
- Material Document And Classification
- ams 5528 assn std single material response shell
- Material Document And Classification
- mil-s-6049 mil spec 1st material response or mil-s-5626 mil spec 2nd material response nut
- Surface Treatment
- cadmium nut
- Surface Treatment
- passivate shell
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response shell
- Surface Treatment Document And Classification
- qq-p-416,type ii,class 2 fed spec single treatment response nut
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-01-155-9271 | No Name Available | 08/01/1992 |
| 5310-01-521-3465 | No Name Available | 01/01/2005 |
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 |
|---|---|
| 120003-6 | Plate Self-Locking Nut |
| 120004-6 | Plate Self-Locking Nut |
| 5310PL0743334 | Plate Self-Locking Nut |
| C7988-6 | Plate Self-Locking Nut |
| CA21024 | Plate Self-Locking Nut |
| FRS319819-2 | Plate Self-Locking Nut |
| TE114-0002-0001 | Plate Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-053-3363?
The FSCG of the NSN 5310-01-053-3363 is 5310
Does the NSN 5310-01-053-3363 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-053-3363 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 5310-01-053-3363 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-053-3363 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 5310-01-053-3363 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Mon, Jan 2, 1978
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 Material | 1,851 |
| New Surplus | 25 |
| Total | 1,876 |
Availability of this item was last updated on:
05/01/2026 03:05 PM EDT.
Stock levels and pricing are subject to change.