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WPP650 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

WPP650: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include radius: 1.609 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN, material: STEEL, outside_diameter: 1.247 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN, special_features: MATERIAL IS STEEL, FED STD NO. 66; STEEL NO.S 1008 TO 1022, style_designator: CONCAVE, material_thickness: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-836-0647, 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
WPP650
NSN: 5340-00-836-0647
FSC: 5340 — Hardware, Commercial
CAGE: 79172 — SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS (USA)
SPECIFICATIONS
radius1.609 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
materialSTEEL
outside_diameter1.247 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
special_featuresMATERIAL IS STEEL, FED STD NO. 66; STEEL NO.S 1008 TO 1022
style_designatorCONCAVE
material_thickness0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
NSN5340-00-836-0647
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: WPP650 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
•
RADIUS: 1.609 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.247 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL THICKNESS: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
RADIUS1.609 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.247 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
STYLE DESIGNATORCONCAVE
MATERIAL THICKNESS0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
SPECIAL FEATURESMATERIAL IS STEEL, FED STD NO. 66; STEEL NO.S 1008 TO 1022
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 8
231427Reference document
Same NSN cross-reference
Reference document — Secondary reference
RE120AReference document
Same NSN cross-reference
Reference document — Secondary reference
444MBC1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
PT584Reference document
Same NSN cross-reference
Reference document — Secondary reference
0103895Reference document
Same NSN cross-reference
Reference document — Secondary reference
019-19Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WPP650?
WPP650 is a PLUG,EXPANSION.
What parts can replace WPP650?
There are 8 known substitutes for WPP650: 231427, RE120A, 444MBC1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WPP650?
WPP650 is cataloged in the U.S. Government catalog under NSN 5340-00-836-0647. 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.