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747872-2 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

747872-2: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, special_features: NOT CASEHARDENED, fsc_application_data: CONTROLLER,AIR TEMPERATURE,ACFT, material_hardness_rating: 79.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 84.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-147-3036, 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
747872-2
NSN: 5340-00-147-3036
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
special_featuresNOT CASEHARDENED
fsc_application_dataCONTROLLER,AIR TEMPERATURE,ACFT
material_hardness_rating79.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 84.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
NSN5340-00-147-3036
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 747872-2 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
•
FSC APPLICATION DATA: CONTROLLER,AIR TEMPERATURE,ACFT
•
MATERIAL HARDNESS RATING: 79.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 84.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
•
DESIGN TYPE: SOLID
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATACONTROLLER,AIR TEMPERATURE,ACFT
MATERIAL HARDNESS RATING79.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 84.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
DESIGN TYPESOLID
SPECIAL FEATURESNOT CASEHARDENED
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

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 747872-2?
747872-2 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 747872-2?
747872-2 is cataloged in the U.S. Government catalog under NSN 5340-00-147-3036. 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.