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26-648 — SEAL,PLAIN ENCASED

✓ Government record, cited
InLine · ORING SEAL
PRODUCT OVERVIEW

26-648: SEAL,PLAIN ENCASED.

Pushbutton for ATX power supply. - Length ca. 100cm.

Key specifications include head_style: HEXAGON, fastener_length: 3.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: 3805-01-273-5389 W20C LOADER, nominal_thread_diameter: 0.375 INCHES IN, thread_quantity_per_inch: 16. This part is cataloged in the U.S. Government catalog under NSN 5330-00-291-9937, 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
26-648
NSN: 5330-00-291-9937
NIINs: 002919937, 015198846
FSC: 5330 — Packing and Gasket Materials
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
head_styleHEXAGON
fastener_length3.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identification3805-01-273-5389 W20C LOADER
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5330-00-291-9937
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26-648 MFR: InLine ⚠ 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: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1600 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: LEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1600 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.750 INCHES NOMINAL IN
MATERIALLEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
SUBSTITUTES & CROSS-REFERENCES 7
104206Reference document
Same NSN cross-reference
Reference document — Secondary reference
0048720Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
450241Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0049521Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0048720-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
049521Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26-648?
26-648 is a SEAL,PLAIN ENCASED manufactured by InLine.
What parts can replace 26-648?
There are 7 known substitutes for 26-648: 104206, 0048720, 450241 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26-648?
26-648 is cataloged in the U.S. Government catalog under NSN 5330-00-291-9937. This indicates validated use in U.S. government and defense supply chains.
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