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6394290-1 — CLAMP,BLOCK,SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6394290-1: CLAMP,BLOCK,SECTION.

The CLAMP,BLOCK,SECTION is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, block_height: 1.080 INCHES NOMINAL1.080 INCHES NOMINAL IN, overall_width: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN, special_features: DESCRIPTION: HALF CLAMP, BLOCK SHAPED, TWO MOUNTING HOLES, AND ONE HALF MOON HOLDING AREA, style_designator: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-556-2083, 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
6394290-1
NSN: 5340-01-556-2083
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
block_height1.080 INCHES NOMINAL1.080 INCHES NOMINAL IN
overall_width0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN
special_featuresDESCRIPTION: HALF CLAMP, BLOCK SHAPED, TWO MOUNTING HOLES, AND ONE HALF MOON HOLDING AREA
style_designatorRECTANGULAR
mounting_facilityCLAMPCLAMP
clamping_hole_diameter0.281 INCHES NOMINAL ALL HOLES IN
clamping_hole_quantity22
end_item_identificationSUBMARINE CLASSSUBMARINE CLASS
part_name_assigned_by_controlling_agencyCLAMP, HIGH PRESSURE, OXYGEN, PRIMARY
distance_from_end_to_first_clamping_hole_center1.380 INCHES NOMINAL IN
NSN5340-01-556-2083
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6394290-1 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
•
CLAMPING HOLE QUANTITY: 22
•
DISTANCE FROM END TO FIRST CLAMPING HOLE CENTER: 1.380 INCHES NOMINAL IN
•
BLOCK HEIGHT: 1.080 INCHES NOMINAL1.080 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
CLAMPING HOLE DIAMETER: 0.281 INCHES NOMINAL ALL HOLES IN
•
DISTANCE FROM CENTER OF MOUNTING HOLE TO EDGE ALONG THE WIDTH: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CLAMPING HOLE QUANTITY22
DISTANCE FROM END TO FIRST CLAMPING HOLE CENTER1.380 INCHES NOMINAL IN
BLOCK HEIGHT1.080 INCHES NOMINAL1.080 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
OVERALL LENGTH2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
CLAMPING HOLE DIAMETER0.281 INCHES NOMINAL ALL HOLES IN
DISTANCE FROM CENTER OF MOUNTING HOLE TO EDGE ALONG THE WIDTH0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST MOUNTING HOLE CENTER0.316 INCHES NOMINAL IN
MOUNTING FACILITYCLAMPCLAMP
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
6391094 FIND 008Reference document
Same NSN cross-reference
Reference document — Secondary 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 6394290-1?
6394290-1 is a CLAMP,BLOCK,SECTION.
What parts can replace 6394290-1?
There is 1 known substitute for 6394290-1: 6391094 FIND 008. Substitute compatibility should be verified for your specific system.
What is the NSN for 6394290-1?
6394290-1 is cataloged in the U.S. Government catalog under NSN 5340-01-556-2083. 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.