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711920-5 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

711920-5: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) AND SILICONE BODY, body_height: 0.530 INCHES NOMINAL IN, overall_height: 2.030 INCHES NOMINAL IN, mounting_method: FLANGE, style_designator: THRU-HOLE, base_outside_diameter: 4.520 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-073-8180, 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
711920-5
NSN: 5340-00-073-8180
FSC: 5340 — Hardware, Commercial
CAGE: 70628 — ARROWHEAD PRODUCTS CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) AND SILICONE BODY
body_height0.530 INCHES NOMINAL IN
overall_height2.030 INCHES NOMINAL IN
mounting_methodFLANGE
style_designatorTHRU-HOLE
base_outside_diameter4.520 INCHES NOMINAL IN
body_outside_diameter2.720 INCHES NOMINAL IN
supplementary_featuresEND ITEM FF-4 PHANTOM AIRCRAFT
opening_inside_diameter0.621 INCHES NOMINAL IN
NSN5340-00-073-8180
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 711920-5 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
•
OPENING INSIDE DIAMETER: 0.621 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.720 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE
•
BODY HEIGHT: 0.530 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: END ITEM FF-4 PHANTOM AIRCRAFT
•
STYLE DESIGNATOR: THRU-HOLE
•
BASE OUTSIDE DIAMETER: 4.520 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.030 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.621 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.720 INCHES NOMINAL IN
MOUNTING METHODFLANGE
BODY HEIGHT0.530 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESEND ITEM FF-4 PHANTOM AIRCRAFT
STYLE DESIGNATORTHRU-HOLE
BASE OUTSIDE DIAMETER4.520 INCHES NOMINAL IN
MATERIALPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) AND SILICONE BODY
SUBSTITUTES & CROSS-REFERENCES 1
5028-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 711920-5?
711920-5 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 711920-5?
There is 1 known substitute for 711920-5: 5028-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 711920-5?
711920-5 is cataloged in the U.S. Government catalog under NSN 5340-00-073-8180. 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.