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NH30045PC78 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NH30045PC78: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.7500 INCHES NOMINAL IN, bore_diameter: 0.2600 INCHES NOMINAL IN, overall_height: 0.3400 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-339-3170, 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
NH30045PC78
NSN: 5340-00-339-3170
FSC: 5340 — Hardware, Commercial
CAGE: 72957 — ELLIOTT COMPANY DIV JEANNETTE (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.7500 INCHES NOMINAL IN
bore_diameter0.2600 INCHES NOMINAL IN
overall_height0.3400 INCHES NOMINAL IN
style_designatorSEAT
first_step_diameter1.2500 INCHES NOMINAL IN
distance_from_end_to_first_step0.1525 INCHES NOMINAL IN
NSN5340-00-339-3170
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NH30045PC78 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
•
FIRST STEP DIAMETER: 1.2500 INCHES NOMINAL IN
•
END DIAMETER: 0.7500 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1525 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
BORE DIAMETER: 0.2600 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.3400 INCHES NOMINAL IN
FIRST STEP DIAMETER1.2500 INCHES NOMINAL IN
END DIAMETER0.7500 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1525 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
BORE DIAMETER0.2600 INCHES NOMINAL IN
MATERIALSTEEL
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 8
DD692S5601-7PC81Reference document
Same NSN cross-reference
Reference document — Secondary reference
CV9S5601-06PC78Reference document
Same NSN cross-reference
Reference document — Secondary reference
NH30073PC81Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NH30057PC81Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CVB41S5601-2PC81Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
640-54PC78Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 NH30045PC78?
NH30045PC78 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace NH30045PC78?
There are 8 known substitutes for NH30045PC78: DD692S5601-7PC81, CV9S5601-06PC78, NH30073PC81 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NH30045PC78?
NH30045PC78 is cataloged in the U.S. Government catalog under NSN 5340-00-339-3170. This indicates validated use in U.S. government and defense supply chains.
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