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387042 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

387042: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL, center_hole_diameter: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, cross-sectional_shape_style: O-RING, material_document_and_classification: AMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-054-6940, 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
387042
NSN: 5331-00-054-6940
NIINs: 000546940, 008647201
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
center_hole_diameter1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
material_document_and_classificationAMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5331-00-054-6940
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 387042 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.387 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.387 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
028-04353Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1000-011PC21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
DS947032CPIECE3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
PRP568-216Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ARP568-216MILP5 516-70DURNReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ARP568-286MILP5 516-70Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 387042?
387042 is a O-RING.
What parts can replace 387042?
There are 9 known substitutes for 387042: 028-04353, 1000-011PC21, DS947032CPIECE3 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 387042?
387042 is cataloged in the U.S. Government catalog under NSN 5331-00-054-6940. This indicates validated use in U.S. government and defense supply chains.
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