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747872-6 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

747872-6: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include design_type: SOLID, end_diameter: 0.2700 INCHES NOMINAL IN, overall_height: 0.1600 INCHES NOMINAL IN, special_features: APPL F16 TYPE ACFT, style_designator: SEAT, first_step_diameter: 0.4000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-114-4918, 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
747872-6
NSN: 5340-01-114-4918
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
design_typeSOLID
end_diameter0.2700 INCHES NOMINAL IN
overall_height0.1600 INCHES NOMINAL IN
special_featuresAPPL F16 TYPE ACFT
style_designatorSEAT
first_step_diameter0.4000 INCHES NOMINAL IN
chamfer_angle_in_deg45.0
countersink_diameter0.1180 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM IN
fsc_application_dataVALVE PN 765592-4,NSN4810010733221
countersink_angle_in_deg90.0
distance_from_end_to_first_step0.1100 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
NSN5340-01-114-4918
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 747872-6 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
•
COUNTERSINK ANGLE IN DEG: 90.0
•
FSC APPLICATION DATA: VALVE PN 765592-4,NSN4810010733221
•
FIRST STEP DIAMETER: 0.4000 INCHES NOMINAL IN
•
END DIAMETER: 0.2700 INCHES NOMINAL IN
•
COUNTERSINK DIAMETER: 0.1180 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.1100 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1600 INCHES NOMINAL IN
COUNTERSINK ANGLE IN DEG90.0
FSC APPLICATION DATAVALVE PN 765592-4,NSN4810010733221
FIRST STEP DIAMETER0.4000 INCHES NOMINAL IN
END DIAMETER0.2700 INCHES NOMINAL IN
COUNTERSINK DIAMETER0.1180 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.1100 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
SPECIAL FEATURESAPPL F16 TYPE ACFT
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 747872-6?
747872-6 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 747872-6?
747872-6 is cataloged in the U.S. Government catalog under NSN 5340-01-114-4918. 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.