PartsTable
Technical Data Sheet
Download PDF

12-580-3 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

12-580-3: SPRING,HELICAL,COMPRESSION.

- Exclusive wooden frame in a modern design - Incl. premium glass, antireflex coating on one side - Float glass quality, ground and washed - Precision mitre - With prop and hanger. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, temp_rating: 350.0 FAHRENHEIT DEGF, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 63.0 SHORE DUROMETER A MAXIMUM OVERALL, inside_diameter: 0.199 INCHES NOMINAL IN, style_designator: CYLINDRICAL.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-242-1991, 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
12-580-3
NSN: 5330-00-242-1991
NIINs: 002421991, 002653671
FSC: 5330 — Packing and Gasket Materials
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
temp_rating350.0 FAHRENHEIT DEGF
coil_quantity7
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 63.0 SHORE DUROMETER A MAXIMUM OVERALL
inside_diameter0.199 INCHES NOMINAL IN
style_designatorCYLINDRICAL
inner_groove_width0.156 INCHES NOMINAL IN
outer_groove_depth0.078 INCHES NOMINAL IN
outer_groove_width0.094 INCHES NOMINAL IN
spring_free_length0.500 INCHES NOMINAL IN
peripheral_diameter1.875 INCHES NOMINAL IN
NSN5330-00-242-1991
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12-580-3 MFR: Hama ⚠ 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
•
OUTER GROOVE DEPTH: 0.078 INCHES NOMINAL IN
•
TEMP RATING: 350.0 FAHRENHEIT DEGF
•
OUTER GROOVE SMALLEST WIDTH: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.312 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 63.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 1.875 INCHES NOMINAL IN
•
OUTER GROOVE WIDTH: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER GROOVE DEPTH0.078 INCHES NOMINAL IN
TEMP RATING350.0 FAHRENHEIT DEGF
OUTER GROOVE SMALLEST WIDTH0.062 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 63.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER1.875 INCHES NOMINAL IN
OUTER GROOVE WIDTH0.094 INCHES NOMINAL IN
INNER GROOVE WIDTH0.156 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.547 INCHES NOMINAL IN
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
Ready to buy 12-580-3?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 12-580-3?
12-580-3 is a SPRING,HELICAL,COMPRESSION manufactured by Hama.
What is the NSN for 12-580-3?
12-580-3 is cataloged in the U.S. Government catalog under NSN 5330-00-242-1991. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12-580-3

✓ 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.