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2531986 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2531986: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1065 OR STEEL UNS K07001 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, inside_diameter: 0.814 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, surface_treatment: ZINC AND CHROMATE OVERALL, spring_free_length: 2.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-113-8579, 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
2531986
NSN: 5331-00-113-8579
NIINs: 001138579, 004280153
FSC: 5331 — O-ring
CAGE: 88907 — BRUNSWICK CORP DBA MERCURY MARINE DIV MERCURY MARINE (USA)
SPECIFICATIONS
materialSTEEL COMP 1065 OR STEEL UNS K07001 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity8
inside_diameter0.814 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
surface_treatmentZINC AND CHROMATE OVERALL
spring_free_length2.500 INCHES NOMINAL IN
spring_solid_length0.512 INCHES MAXIMUM IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter0.940 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
material_document_and_classificationASTM A229 ASSN STD 1ST MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5331-00-113-8579
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2531986 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2531986?
2531986 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 2531986?
2531986 is cataloged in the U.S. Government catalog under NSN 5331-00-113-8579. This indicates validated use in U.S. government and defense supply chains.
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