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5598272-1 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5598272-1: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY 6061, design_type: SOLID, end_diameter: 1.1500 INCHES NOMINAL IN, bore_diameter: 0.9400 INCHES NOMINAL IN, overall_height: 0.7300 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-355-0272, 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
5598272-1
NSN: 5340-01-355-0272
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
design_typeSOLID
end_diameter1.1500 INCHES NOMINAL IN
bore_diameter0.9400 INCHES NOMINAL IN
overall_height0.7300 INCHES NOMINAL IN
style_designatorSEAT
surface_treatmentANODIZE
distance_from_end_to_first_step0.3900 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/11, T651 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-A-8625 TY 3 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-355-0272
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5598272-1 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
•
END DIAMETER: 1.1500 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 TY 3 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE FROM END TO FIRST STEP: 0.3900 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11, T651 FED SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: ANODIZE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7300 INCHES NOMINAL IN
END DIAMETER1.1500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TY 3 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE
DISTANCE FROM END TO FIRST STEP0.3900 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11, T651 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTANODIZE
BORE DIAMETER0.9400 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061
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 5598272-1?
5598272-1 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 5598272-1?
5598272-1 is cataloged in the U.S. Government catalog under NSN 5340-01-355-0272. 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.