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A50572MFV — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A50572MFV: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: NICKEL ALLOY, design_type: SOLID, end_diameter: 2.3850 INCHES MINIMUM AND 2.4000 INCHES MAXIMUM IN, bore_diameter: 0.6400 INCHES NOMINAL IN, overall_height: 0.7200 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-268-2749, 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
A50572MFV
NSN: 5340-01-268-2749
FSC: 5340 — Hardware, Commercial
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY
design_typeSOLID
end_diameter2.3850 INCHES MINIMUM AND 2.4000 INCHES MAXIMUM IN
bore_diameter0.6400 INCHES NOMINAL IN
overall_height0.7200 INCHES NOMINAL IN
style_designatorSEAT
first_step_diameter3.5000 INCHES NOMINAL IN
spherical_seat_top_radius1.5000 INCHES NOMINAL IN
distance_from_end_to_first_step0.2800 INCHES NOMINAL IN
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-268-2749
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A50572MFV 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: 3.5000 INCHES NOMINAL IN
•
END DIAMETER: 2.3850 INCHES MINIMUM AND 2.4000 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.2800 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
•
SPHERICAL SEAT TOP RADIUS: 1.5000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7200 INCHES NOMINAL IN
FIRST STEP DIAMETER3.5000 INCHES NOMINAL IN
END DIAMETER2.3850 INCHES MINIMUM AND 2.4000 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.2800 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
SPHERICAL SEAT TOP RADIUS1.5000 INCHES NOMINAL IN
BORE DIAMETER0.6400 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
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 1
D50522 ITEM 8Same 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 A50572MFV?
A50572MFV is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace A50572MFV?
There is 1 known substitute for A50572MFV: D50522 ITEM 8. Substitute compatibility should be verified for your specific system.
What is the NSN for A50572MFV?
A50572MFV is cataloged in the U.S. Government catalog under NSN 5340-01-268-2749. 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.