PartsTable
Technical Data Sheet
Download PDF

B302377 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B302377: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.125 INCHES NOMINAL IN, overall_length: 16.406 INCHES NOMINAL IN, special_features: ONE BOLT HOLE 0.531 IN. DIA IN, bolt_hole_quantity: 10, outside_corner_radius: 0.250 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-354-9218, 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
B302377
NSN: 5330-00-354-9218
FSC: 5330 — Packing and Gasket Materials
CAGE: 70143 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.125 INCHES NOMINAL IN
overall_length16.406 INCHES NOMINAL IN
special_featuresONE BOLT HOLE 0.531 IN. DIA IN
bolt_hole_quantity10
outside_corner_radius0.250 INCHES NOMINAL IN
cross-sectional_thickness0.047 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
NSN5330-00-354-9218
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B302377 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: 0.047 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
BOLT HOLE QUANTITY: 10
•
OUTSIDE CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.047 INCHES NOMINAL IN
OVERALL LENGTH16.406 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OVERALL WIDTH3.125 INCHES NOMINAL IN
BOLT HOLE QUANTITY10
SPECIAL FEATURESONE BOLT HOLE 0.531 IN. DIA IN
OUTSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
HOLE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
302377Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy B302377?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is B302377?
B302377 is a GASKET.
What parts can replace B302377?
There is 1 known substitute for B302377: 302377. Substitute compatibility should be verified for your specific system.
What is the NSN for B302377?
B302377 is cataloged in the U.S. Government catalog under NSN 5330-00-354-9218. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — B302377

✓ 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.