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51X15 — SOCKET,PLUG-IN ELECTRONIC COMPON

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

51X15: SOCKET,PLUG-IN ELECTRONIC COMPON.

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, body_style: SURFACE MOUNT, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, overall_width: 2.000 INCHES NOMINAL IN, overall_height: 0.975 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-291-3218, 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
51X15
NSN: 5330-00-291-3218
NIINs: 002913218, 011803299
FSC: 5330 — Packing and Gasket Materials
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
body_styleSURFACE MOUNT
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
overall_width2.000 INCHES NOMINAL IN
overall_height0.975 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
mounting_hole_styleROUND, W/TWO MOUNTING HOLES
housing_bore_diameter0.875 INCHES NOMINAL IN
sealing_element_styleANGULAR
mounting_hole_diameter0.156 INCHES NOMINAL IN
NSN5330-00-291-3218
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51X15 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
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 0.875 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
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CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER0.875 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.375 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
8438319-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51X15?
51X15 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 51X15?
There is 1 known substitute for 51X15: 8438319-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 51X15?
51X15 is cataloged in the U.S. Government catalog under NSN 5330-00-291-3218. 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.