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53402378327 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

53402378327: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include height: 0.219 INCHES NOMINAL IN, material: STEEL, outside_diameter: 1.127 INCHES MINIMUM AND 1.129 INCHES MAXIMUM IN, style_designator: CUP, surface_treatment: CADMIUM OR ZINC, material_thickness: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-237-8327, 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
53402378327
NSN: 5340-00-237-8327
FSC: 5340 — Hardware, Commercial
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
height0.219 INCHES NOMINAL IN
materialSTEEL
outside_diameter1.127 INCHES MINIMUM AND 1.129 INCHES MAXIMUM IN
style_designatorCUP
surface_treatmentCADMIUM OR ZINC
material_thickness0.031 INCHES NOMINAL IN
material_document_and_classification4M 24617 NATIONAL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-237-8327
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 53402378327 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
•
OUTSIDE DIAMETER: 1.127 INCHES MINIMUM AND 1.129 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CUP
•
MATERIAL DOCUMENT AND CLASSIFICATION: 4M 24617 NATIONAL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
HEIGHT: 0.219 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.127 INCHES MINIMUM AND 1.129 INCHES MAXIMUM IN
STYLE DESIGNATORCUP
MATERIAL DOCUMENT AND CLASSIFICATION4M 24617 NATIONAL SPEC SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
HEIGHT0.219 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 4
5152462Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC5152462Reference document
Same NSN cross-reference
Reference document — Secondary reference
33451Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5340002378327Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 53402378327?
53402378327 is a PLUG,EXPANSION.
What parts can replace 53402378327?
There are 4 known substitutes for 53402378327: 5152462, PC5152462, 33451 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 53402378327?
53402378327 is cataloged in the U.S. Government catalog under NSN 5340-00-237-8327. 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.