81W021 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

81W021: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, temp_rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.818 INCHES NOMINAL IN, center_hole_diameter: 0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-965-0749, 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

81W021

NSN: 5331-00-965-0749
FSC: 5331 — O-ring
CAGE: 05613 — BOSCH SECURITY SYSTEMS, INC. DBA HY-GAIN/TURNER DIVISION DIV DISTRIBUTION (USA)

SPECIFICATIONS

material	RUBBER SILICONE CLASS Q
temp_rating	-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
hardness_rating	70.0 SHORE DUROMETER A NOMINAL
outside_diameter	0.818 INCHES NOMINAL IN
center_hole_diameter	0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
elongation_percentage	125 MAXIMUM
cross-sectional_height	0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN	5331-00-965-0749

COMPONENT DIAGRAM

KEY FEATURES

•

TEMP RATING: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF

•

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

•

OUTSIDE DIAMETER: 0.818 INCHES NOMINAL IN

•

HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL

•

ELONGATION PERCENTAGE: 125 MAXIMUM

•

CENTER HOLE DIAMETER: 0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN

•

MATERIAL: RUBBER SILICONE CLASS Q

TECHNICAL CHARACTERISTICS

TEMP RATING	-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT	0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER	0.818 INCHES NOMINAL IN
HARDNESS RATING	70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE	125 MAXIMUM
CENTER HOLE DIAMETER	0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
MATERIAL	RUBBER SILICONE CLASS Q

SUBSTITUTES & CROSS-REFERENCES 8

MS9068-114Reference document

Same NSN cross-reference

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

5331PL1280027Reference document

Same NSN cross-reference

Reference document — Informative reference only

AS568-114AMS330 4Reference document

Same NSN cross-reference

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

6330009650749Reference document

Same NSN cross-reference

Reference document — Secondary reference

4010643Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2-1140-7Reference document

Same NSN cross-reference

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

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 81W021?

81W021 is a O-RING.

What parts can replace 81W021?

There are 8 known substitutes for 81W021: MS9068-114, 5331PL1280027, AS568-114AMS330 4 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 81W021?

81W021 is cataloged in the U.S. Government catalog under NSN 5331-00-965-0749. This indicates validated use in U.S. government and defense supply chains.

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81W021 — O-RING

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