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6391052-8 — CLAMP,BLOCK,SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6391052-8: CLAMP,BLOCK,SECTION.

The CLAMP,BLOCK,SECTION is a the manufacturer industrial component. Key specifications include block_height: 2.000 INCHES NOMINAL IN, distance_from_end_to_first_mounting_hole_center: 0.350 INCHES NOMINAL IN, center_to_center_distance_between_first_and_third_mounting_holes: 1.150 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-524-4686, 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
6391052-8
NSN: 5340-01-524-4686
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
block_height2.000 INCHES NOMINAL IN
clamping_hole_quantity1
distance_from_end_to_first_mounting_hole_center0.350 INCHES NOMINAL IN
center_to_center_distance_between_first_and_third_mounting_holes1.150 INCHES NOMINAL IN
NSN5340-01-524-4686
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6391052-8 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
•
CLAMPING HOLE QUANTITY: 1
•
BLOCK HEIGHT: 2.000 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN FIRST AND THIRD MOUNTING HOLES: 1.150 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST MOUNTING HOLE CENTER: 0.350 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CLAMPING HOLE QUANTITY1
BLOCK HEIGHT2.000 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN FIRST AND THIRD MOUNTING HOLES1.150 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST MOUNTING HOLE CENTER0.350 INCHES NOMINAL IN
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

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 6391052-8?
6391052-8 is a CLAMP,BLOCK,SECTION.
What is the NSN for 6391052-8?
6391052-8 is cataloged in the U.S. Government catalog under NSN 5340-01-524-4686. 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.