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4750-4-3 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4750-4-3: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.57 INCHES NOMINAL IN, material: STEEL OVERALL, thread_length: 0.38 INCHES NOMINAL RIGHT EXTERNAL IN, style_designator: GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD), surface_treatment: CHROMATE OR CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-725-3615, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4750-4-3
NSN: 5340-01-725-3615
FSC: 5340 — Hardware, Commercial
CAGE: 55566 — MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC (USA)
SPECIFICATIONS
length0.57 INCHES NOMINAL IN
materialSTEEL OVERALL
thread_length0.38 INCHES NOMINAL RIGHT EXTERNAL IN
style_designatorGROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatmentCHROMATE OR CADMIUM OVERALL
nominal_thread_size0.1120 INCHES RIGHT EXTERNAL IN
end_item_identification4940-01-601-1928
thread_quantity_per_inch40 LEFT INTERNAL (INCLUDES THRU THREAD)
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
part_name_assigned_by_controlling_agencyJACK SCREW
NSN5340-01-725-3615
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4750-4-3 MFR: OEM ⚠ 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
•
LENGTH: 0.57 INCHES NOMINAL IN
•
THREAD LENGTH: 0.38 INCHES NOMINAL RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
NOMINAL THREAD SIZE: 0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
SURFACE TREATMENT: CHROMATE OR CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.57 INCHES NOMINAL IN
THREAD LENGTH0.38 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORGROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
NOMINAL THREAD SIZE0.1120 INCHES RIGHT EXTERNAL IN
SURFACE TREATMENTCHROMATE OR CADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYJACK SCREW
END ITEM IDENTIFICATION4940-01-601-1928
THREAD QUANTITY PER INCH40 LEFT INTERNAL (INCLUDES THRU THREAD)
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
11B5091990Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4750-4-3?
4750-4-3 is a STANDOFF,THREADED,SPACING.
What parts can replace 4750-4-3?
There is 1 known substitute for 4750-4-3: 11B5091990. Substitute compatibility should be verified for your specific system.
What is the NSN for 4750-4-3?
4750-4-3 is cataloged in the U.S. Government catalog under NSN 5340-01-725-3615. This indicates validated use in U.S. government and defense supply chains.
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