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123AVM50021 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

123AVM50021: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: STEEL CORROSION RESISTING, design_type: FRICTION, overall_diameter: 1.000 INCHES NOMINAL IN, special_features: ITEM IS LOCATED IN ZONE B22 ON DRAWING, features_provided: SHOULDER, end_item_identification: MAIN POWER DISTRIBUTION BOX. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-507-7300, 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
123AVM50021
NSN: 5340-01-507-7300
NIINs: 015077300, 015077303
FSC: 5340 — Hardware, Commercial
CAGE: 25612 — ABRAMS H B CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
design_typeFRICTION
overall_diameter1.000 INCHES NOMINAL IN
special_featuresITEM IS LOCATED IN ZONE B22 ON DRAWING
features_providedSHOULDER
end_item_identificationMAIN POWER DISTRIBUTION BOX
NSN5340-01-507-7300
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 123AVM50021 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: 1.000 INCHES NOMINAL IN
•
FEATURES PROVIDED: SHOULDER
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER1.000 INCHES NOMINAL IN
FEATURES PROVIDEDSHOULDER
SPECIAL FEATURESITEM IS LOCATED IN ZONE B22 ON DRAWING
END ITEM IDENTIFICATIONMAIN POWER DISTRIBUTION BOX
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
123AVM50021-15Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 123AVM50021?
123AVM50021 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 123AVM50021?
There is 1 known substitute for 123AVM50021: 123AVM50021-15. Substitute compatibility should be verified for your specific system.
What is the NSN for 123AVM50021?
123AVM50021 is cataloged in the U.S. Government catalog under NSN 5340-01-507-7300. 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.