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2653821 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2653821: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: STEEL CORROSION RESISTING, drive_type: SCREW SLOT, design_type: FRICTION, overall_diameter: 1.360 INCHES NOMINAL IN, special_features: SCREW SLOT TAP DRILL 0.230 IN. DP,0.190-32UNC-2B THD,09140 IN.

DP FOR DISASSEMBLY USE ONLY IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-136-7900, 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
2653821
NSN: 5340-01-136-7900
FSC: 5340 — Hardware, Commercial
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
drive_typeSCREW SLOT
design_typeFRICTION
overall_diameter1.360 INCHES NOMINAL IN
special_featuresSCREW SLOT TAP DRILL 0.230 IN. DP,0.190-32UNC-2B THD,09140 IN. DP FOR DISASSEMBLY USE ONLY IN
NSN5340-01-136-7900
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2653821 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 1.360 INCHES NOMINAL IN
•
DRIVE TYPE: SCREW SLOT
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER1.360 INCHES NOMINAL IN
DRIVE TYPESCREW SLOT
SPECIAL FEATURESSCREW SLOT TAP DRILL 0.230 IN. DP,0.190-32UNC-2B THD,09140 IN. DP FOR DISASSEMBLY USE ONLY IN
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
10112682Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2653821?
2653821 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 2653821?
There is 1 known substitute for 2653821: 10112682. Substitute compatibility should be verified for your specific system.
What is the NSN for 2653821?
2653821 is cataloged in the U.S. Government catalog under NSN 5340-01-136-7900. 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.