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371N — ENGINE,DIESEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

371N: ENGINE,DIESEL.

The ENGINE,DIESEL is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: ENGINE ASM. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-199-5788, 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
371N
NSN: 5330-00-199-5788
NIINs: 001995788, 014874878
FSC: 5330 — Packing and Gasket Materials
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyENGINE ASM
NSN5330-00-199-5788
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 371N 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 THICKNESS: 0.078 INCHES NOMINAL IN
•
MAXIMUM PRESSURE RATING: 200.0 POUNDS PER SQUARE INCH (PSI) LBS
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.750 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
MATERIAL: ASBESTOS AND COPPER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.078 INCHES NOMINAL IN
MAXIMUM PRESSURE RATING200.0 POUNDS PER SQUARE INCH (PSI) LBS
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
APERTURE DIAMETER0.750 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIALASBESTOS AND COPPER OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
SL6458-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
GKT513Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
HHG101TYPE1Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 371N?
371N is a ENGINE,DIESEL.
What parts can replace 371N?
There are 3 known substitutes for 371N: SL6458-6, GKT513, HHG101TYPE1. Substitute compatibility should be verified for your specific system.
What is the NSN for 371N?
371N is cataloged in the U.S. Government catalog under NSN 5330-00-199-5788. 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.