D-18543 ITEM 5 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

D-18543 ITEM 5: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.108 INCHES MINIMUM AND 2.154 INCHES MAXIMUM IN, center_hole_diameter: 1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-130-7326, 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

D-18543 ITEM 5

NSN: 5331-01-130-7326
FSC: 5331 — O-ring
CAGE: 00912 — AKRON BRASS COMPANY (USA)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating	-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating	70.0 SHORE DUROMETER A NOMINAL
outside_diameter	2.108 INCHES MINIMUM AND 2.154 INCHES MAXIMUM IN
center_hole_diameter	1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN
elongation_percentage	331 MAXIMUM
cross-sectional_height	0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN	5331-01-130-7326

COMPONENT DIAGRAM

KEY FEATURES

•

TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF

•

CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN

•

OUTSIDE DIAMETER: 2.108 INCHES MINIMUM AND 2.154 INCHES MAXIMUM IN

•

HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL

•

ELONGATION PERCENTAGE: 331 MAXIMUM

•

CENTER HOLE DIAMETER: 1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

TECHNICAL CHARACTERISTICS

TEMP RATING	-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT	0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER	2.108 INCHES MINIMUM AND 2.154 INCHES MAXIMUM IN
HARDNESS RATING	70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE	331 MAXIMUM
CENTER HOLE DIAMETER	1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

SUBSTITUTES & CROSS-REFERENCES 8

2-135N674-70Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

2-135Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

GD0-097-000Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

10617878-135Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

7-57-193Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

500000-0135-0002Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Shelf-life managedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D-18543 ITEM 5?

D-18543 ITEM 5 is a O-RING.

What parts can replace D-18543 ITEM 5?

There are 8 known substitutes for D-18543 ITEM 5: 2-135N674-70, 2-135, GD0-097-000 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for D-18543 ITEM 5?

D-18543 ITEM 5 is cataloged in the U.S. Government catalog under NSN 5331-01-130-7326. This indicates validated use in U.S. government and defense supply chains.

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