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4078518 — CLAMP,BLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4078518: CLAMP,BLOCK.

The CLAMP,BLOCK is a the manufacturer industrial component. Key specifications include style_designator: RECTANGULAR, mounting_facility: UNTHREADED HOLE(S)UNTHREADED HOLE(S), clamping_hole_diameter: 0.250 INCHES NOMINAL SECOND HOLE IN, clamping_hole_quantity: 33, mounting_hole_quantity: 11, end_item_identification: F100PW0229 ENGF100PW0229 ENG. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-324-3299, 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
4078518
NSN: 5340-01-324-3299
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
style_designatorRECTANGULAR
mounting_facilityUNTHREADED HOLE(S)UNTHREADED HOLE(S)
clamping_hole_diameter0.250 INCHES NOMINAL SECOND HOLE IN
clamping_hole_quantity33
mounting_hole_quantity11
end_item_identificationF100PW0229 ENGF100PW0229 ENG
NSN5340-01-324-3299
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4078518 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
•
MOUNTING HOLE QUANTITY: 11
•
CLAMPING HOLE QUANTITY: 33
•
STYLE DESIGNATOR: RECTANGULAR
•
CLAMPING HOLE DIAMETER: 0.250 INCHES NOMINAL FIRST HOLE IN
•
MOUNTING FACILITY: UNTHREADED HOLE(S)UNTHREADED HOLE(S)
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY11
CLAMPING HOLE QUANTITY33
STYLE DESIGNATORRECTANGULAR
CLAMPING HOLE DIAMETER0.250 INCHES NOMINAL FIRST HOLE IN
CLAMPING HOLE DIAMETER0.250 INCHES NOMINAL SECOND HOLE IN
CLAMPING HOLE DIAMETER0.375 INCHES NOMINAL THIRD HOLE IN
MOUNTING FACILITYUNTHREADED HOLE(S)UNTHREADED HOLE(S)
END ITEM IDENTIFICATIONF100PW0229 ENGF100PW0229 ENG
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 3
4075947Reference document
Same NSN cross-reference
Reference document — Secondary reference
5340PL1866789Reference document
Same NSN cross-reference
Reference document — Informative reference only
5340PL0850144Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4078518?
4078518 is a CLAMP,BLOCK.
What parts can replace 4078518?
There are 3 known substitutes for 4078518: 4075947, 5340PL1866789, 5340PL0850144. Substitute compatibility should be verified for your specific system.
What is the NSN for 4078518?
4078518 is cataloged in the U.S. Government catalog under NSN 5340-01-324-3299. This indicates validated use in U.S. government and defense supply chains.
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