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MSC.120-1 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MSC.120-1: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include overall_height: 1.0 INCHES NOMINAL IN, material_thickness: 0.050 INCHES NOMINAL IN, base_inside_diameter: 0.120 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: CAP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-694-6835, 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
MSC.120-1
NSN: 5340-01-694-6835
FSC: 5340 — Hardware, Commercial
CAGE: 62081 — MOCAP LLC (USA)
SPECIFICATIONS
overall_height1.0 INCHES NOMINAL IN
material_thickness0.050 INCHES NOMINAL IN
base_inside_diameter0.120 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCAP
NSN5340-01-694-6835
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MSC.120-1 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
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
BASE INSIDE DIAMETER: 0.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.0 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
BASE INSIDE DIAMETER0.120 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP
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
10856647-001Same 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 MSC.120-1?
MSC.120-1 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace MSC.120-1?
There is 1 known substitute for MSC.120-1: 10856647-001. Substitute compatibility should be verified for your specific system.
What is the NSN for MSC.120-1?
MSC.120-1 is cataloged in the U.S. Government catalog under NSN 5340-01-694-6835. 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.