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5187310 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5187310: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include thread_class: 2A A, thread_length: 0.313 INCHES NOMINAL IN, overall_height: 0.750 INCHES NOMINAL IN, thread_diameter: 1.250 INCHES NOMINAL IN, thread_quantity: 12 PER INCH, outside_diameter: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-604-8094, 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
5187310
NSN: 5331-00-604-8094
NIINs: 006048094, 011643479
FSC: 5331 — O-ring
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
thread_class2A A
thread_length0.313 INCHES NOMINAL IN
overall_height0.750 INCHES NOMINAL IN
thread_diameter1.250 INCHES NOMINAL IN
thread_quantity12 PER INCH
outside_diameter1.500 INCHES NOMINAL IN
style_designatorNON-VENTED THREADED TYPE (EXTERNAL)
surface_treatmentPASSIVATE OVERALL
accommodation_typeWING GRIP END GRIPPING
thread_series_designatorUNF
surface_treatment_document_and_classificationMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5331-00-604-8094
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5187310 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: 0.220 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.220 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 8
33240Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
16TX613Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
533006048094Reference document
Same NSN cross-reference
Reference document — Secondary reference
B5187310Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5330006048094Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC5187310Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 5187310?
5187310 is a O-RING.
What parts can replace 5187310?
There are 8 known substitutes for 5187310: 33240, 16TX613, 533006048094 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5187310?
5187310 is cataloged in the U.S. Government catalog under NSN 5331-00-604-8094. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.