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985 ITEM 17 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

985 ITEM 17: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.749 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN, center_hole_diameter: 0.479 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-451-9557, 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
985 ITEM 17
NSN: 5331-00-451-9557
FSC: 5331 — O-ring
CAGE: 53918 — SEPARATION & RECOVERY SYSTEMS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter0.749 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN
center_hole_diameter0.479 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-451-9557
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 985 ITEM 17 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
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.749 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
CENTER HOLE DIAMETER: 0.479 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.749 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE331 MAXIMUM
CENTER HOLE DIAMETER0.479 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 7
352-1-32Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
172000254Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS568-206MIL-G- 21569 CL 1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1998379 PIECE 3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-206 N674-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL0794264Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 985 ITEM 17?
985 ITEM 17 is a O-RING.
What parts can replace 985 ITEM 17?
There are 7 known substitutes for 985 ITEM 17: 352-1-32, 172000254, AS568-206MIL-G- 21569 CL 1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 985 ITEM 17?
985 ITEM 17 is cataloged in the U.S. Government catalog under NSN 5331-00-451-9557. This indicates validated use in U.S. government and defense supply chains.
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