PartsTable
Technical Data Sheet
Download PDF

128820 — SCREW,MACHINE

✓ Government record, cited
Equip · ORING SEAL
PRODUCT OVERVIEW

128820: SCREW,MACHINE.

The USB 2.0 4Pin mainboard to USB-A Female/Female Internal Cable is a compact and versatile cable designed to connect your motherboard's USB 2.0 header to an internal USB-A female port. This cable allows you to extend your motherboard's USB connectivity within your PC case, making it easy to connect internal devices or peripherals. It features a 4-pin connector for compatibility with USB 2.0 headers on most motherboards and two USB-A female connectors, providing a straightforward solution for internal USB connections.

This cable is a valuable addition for custom PC builds, allowing for seamless connections and enhanced functionality within your computer case. This part is cataloged in the U.S. Government catalog under NSN 5330-00-499-9800, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
128820
NSN: 5330-00-499-9800
NIINs: 004999800, 013522703
FSC: 5330 — Packing and Gasket Materials
CAGE: 66654 — TVH PARTS CO. (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
outside_diameter0.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.312 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-499-9800
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 128820 MFR: Equip ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
APERTURE DIAMETER0.312 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
4301P11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RENGZ1-23Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A18590Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
863053Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A401X4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0EAZ1-23Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 128820?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 128820?
128820 is a SCREW,MACHINE manufactured by Equip.
What parts can replace 128820?
There are 7 known substitutes for 128820: 4301P11, RENGZ1-23, A18590 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 128820?
128820 is cataloged in the U.S. Government catalog under NSN 5330-00-499-9800. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 128820