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Technical Data Sheet
PartsTable / O-RING / N94-84924
N94-84924 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.934 INCHES MINIMUM AND 1.978 INCHES MAXIMUM IN, special_features: MS28778 SUPERSEDED BY SAE-AS28778, 1 MAR 2006, center_hole_diameter: 1.710 INCHES MINIMUM AND 1.730 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-023-6379, 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
N94-84924
NSN: 5331-00-023-6379
FSC: 5331 — O-RING
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter1.934 INCHES MINIMUM AND 1.978 INCHES MAXIMUM IN
special_featuresMS28778 SUPERSEDED BY SAE-AS28778, 1 MAR 2006
center_hole_diameter1.710 INCHES MINIMUM AND 1.730 INCHES MAXIMUM IN
cross-sectional_height0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
end_item_identificationMRAP RG-31 & ROUTE CLEARANCE VEHICLE; MEDIUM MINE PROTECTED VEHICLE - MMPV; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyPACKING, PREFORMED, STRAIGHT THREAD TUBE FITTING
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5331-00-023-6379
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N94-84924 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.188 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CENTER HOLE DIAMETER: 1.720 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CRITICALITY CODE JUSTIFICATIONZZZY
CENTER HOLE DIAMETER1.720 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
N94-84924Interchangeable
interchangeable cross-reference
interchangeable
MS28778-24Interchangeable
interchangeable cross-reference
interchangeable
924-8307Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248/2-9 24Interchangeable
Same NIIN cross-reference
interchangeable
N885PC1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N94-84924?
N94-84924 is a O-RING.
What parts can replace N94-84924?
There are 5 known substitutes for N94-84924: N94-84924, MS28778-24, 924-8307 and 2 more. Substitute compatibility should be verified for your specific system.
Is N94-84924 still available?
N94-84924 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026