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5543721 — CLAMP,BLOCK,SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5543721: CLAMP,BLOCK,SECTION.

The CLAMP,BLOCK,SECTION is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY A356.0, overall_width: 1.564 INCHES MINIMUM AND 1.564 INCHES MINIMUM AND 1.584 INCHES MAXIMUM1.584 INCHES MAXIMUM IN, mounting_facility: UNTHREADED HOLE(S)UNTHREADED HOLE(S), clamping_hole_diameter: 1.080 INCHES NOMINAL SINGLE HOLE IN, clamping_hole_quantity: 11, material_document_and_classification: MIL-A-21180,A356.0 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-294-8159, 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
5543721
NSN: 5340-01-294-8159
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY A356.0
overall_width1.564 INCHES MINIMUM AND 1.564 INCHES MINIMUM AND 1.584 INCHES MAXIMUM1.584 INCHES MAXIMUM IN
mounting_facilityUNTHREADED HOLE(S)UNTHREADED HOLE(S)
clamping_hole_diameter1.080 INCHES NOMINAL SINGLE HOLE IN
clamping_hole_quantity11
material_document_and_classificationMIL-A-21180,A356.0 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-294-8159
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5543721 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: 11
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-21180,A356.0 MIL SPEC SINGLE MATERIAL RESPONSE
•
CLAMPING HOLE DIAMETER: 1.080 INCHES NOMINAL SINGLE HOLE IN
•
MOUNTING FACILITY: UNTHREADED HOLE(S)UNTHREADED HOLE(S)
•
MATERIAL: ALUMINUM ALLOY A356.0
TECHNICAL CHARACTERISTICS
CLAMPING HOLE QUANTITY11
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-21180,A356.0 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL WIDTH1.564 INCHES MINIMUM AND 1.564 INCHES MINIMUM AND 1.584 INCHES MAXIMUM1.584 INCHES MAXIMUM IN
CLAMPING HOLE DIAMETER1.080 INCHES NOMINAL SINGLE HOLE IN
MOUNTING FACILITYUNTHREADED HOLE(S)UNTHREADED HOLE(S)
MATERIALALUMINUM ALLOY A356.0
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 5543721?
5543721 is a CLAMP,BLOCK,SECTION.
What is the NSN for 5543721?
5543721 is cataloged in the U.S. Government catalog under NSN 5340-01-294-8159. This indicates validated use in U.S. government and defense supply chains.
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