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51508-1 — MOUNT,RESILIENT,UTILITY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

51508-1: MOUNT,RESILIENT,UTILITY.

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include height: 2.000 INCHES NOMINAL IN, flange_width: 2.750 INCHES NOMINAL IN, flange_length: 4.750 INCHES NOMINAL IN, inside_diameter: 0.512 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN, flange_thickness: 0.150 INCHES NOMINAL IN, style_designator: ROUND TWO-HOLE FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-470-8833, 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
51508-1
NSN: 5340-01-470-8833
FSC: 5340 — Hardware, Commercial
CAGE: 5P059 — TECH PRODUCTS CORP (USA)
SPECIFICATIONS
height2.000 INCHES NOMINAL IN
flange_width2.750 INCHES NOMINAL IN
flange_length4.750 INCHES NOMINAL IN
inside_diameter0.512 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN
flange_thickness0.150 INCHES NOMINAL IN
style_designatorROUND TWO-HOLE FLANGE
distance_from_flange_to_end1.020 INCHES NOMINAL IN
flange_mounting_hole_diameter0.406 INCHES NOMINAL IN
distance_between_mounting_hole_centers3.750 INCHES NOMINAL IN
NSN5340-01-470-8833
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51508-1 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
•
FLANGE MOUNTING HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 3.750 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.150 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND TWO-HOLE FLANGE
•
FLANGE LENGTH: 4.750 INCHES NOMINAL IN
•
DISTANCE FROM FLANGE TO END: 1.020 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.512 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN
•
HEIGHT: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE MOUNTING HOLE DIAMETER0.406 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS3.750 INCHES NOMINAL IN
FLANGE THICKNESS0.150 INCHES NOMINAL IN
STYLE DESIGNATORROUND TWO-HOLE FLANGE
FLANGE LENGTH4.750 INCHES NOMINAL IN
DISTANCE FROM FLANGE TO END1.020 INCHES NOMINAL IN
INSIDE DIAMETER0.512 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN
HEIGHT2.000 INCHES NOMINAL IN
FLANGE WIDTH2.750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 51508-1?
51508-1 is a MOUNT,RESILIENT,UTILITY.
What is the NSN for 51508-1?
51508-1 is cataloged in the U.S. Government catalog under NSN 5340-01-470-8833. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.