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8834-503 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8834-503: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: STEEL BODY, body_width: 3.750 INCHES MINIMUM AND 3.758 INCHES MAXIMUM IN, body_length: 2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN, overall_length: 4.650 INCHES MINIMUM AND 4.850 INCHES MAXIMUM IN, style_designator: THRU-HOLE, EXPANDABLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-437-3827, 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
8834-503
NSN: 5340-01-437-3827
FSC: 5340 — Hardware, Commercial
CAGE: 0EH08 — COLORADO MOLDED PRODUCTS COMPANY DBA COLORADO MOLDED PRODUCTS CO (USA)
SPECIFICATIONS
materialSTEEL BODY
body_width3.750 INCHES MINIMUM AND 3.758 INCHES MAXIMUM IN
body_length2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
overall_length4.650 INCHES MINIMUM AND 4.850 INCHES MAXIMUM IN
style_designatorTHRU-HOLE, EXPANDABLE
NSN5340-01-437-3827
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8834-503 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
•
BODY WIDTH: 3.750 INCHES MINIMUM AND 3.758 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: THRU-HOLE, EXPANDABLE
•
BODY LENGTH: 2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
BODY WIDTH3.750 INCHES MINIMUM AND 3.758 INCHES MAXIMUM IN
STYLE DESIGNATORTHRU-HOLE, EXPANDABLE
OVERALL LENGTH4.650 INCHES MINIMUM AND 4.850 INCHES MAXIMUM IN
BODY LENGTH2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
MATERIALSTEEL BODY
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
8834-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 8834-503?
8834-503 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 8834-503?
There is 1 known substitute for 8834-503: 8834-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 8834-503?
8834-503 is cataloged in the U.S. Government catalog under NSN 5340-01-437-3827. 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.