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Technical Data Sheet
PartsTable / COMPONENT / 620-45
620-45 ✓ Verified by PartsTable
Lindy · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SUPPORT,STRUCTURAL COMPONENT,AIR is a Lindy industrial component. Key specifications include shape: BENT, length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, material: ALUMINUM ALLOY 7075, case_style: SQUARE, seal_width: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, orifice_shape: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-4256, 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
620-45
NSN: 5330-00-641-4256
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
shapeBENT
length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
materialALUMINUM ALLOY 7075
case_styleSQUARE
seal_width0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
orifice_shapeROUND
overall_width1.000 INCHES NOMINAL IN
heat_treatmentT-6 SOLUTION HEAT TREATED
overall_height1.000 INCHES NOMINAL IN
overall_length6.000 INCHES NOMINAL IN
drive_end_styleRAISED SQUARE
first_tip_styleSQUARE END
NSN5330-00-641-4256
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 620-45 MFR: Lindy ⚠ 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
•
SEAL WIDTH: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 2.250 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.750 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
HOUSING BORE DIAMETER2.250 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.750 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1000 FEET PER MINUTE FT
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
60-7434Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
620-45Interchangeable
interchangeable cross-reference
interchangeable
220554Interchangeable
interchangeable cross-reference
interchangeable
4951-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 620-45?
620-45 is a SUPPORT,STRUCTURAL COMPONENT,AIR manufactured by Lindy.
What parts can replace 620-45?
There are 10 known substitutes for 620-45: AMS-QQ-A-200/11, 60-7434, QQ-A-200/11 and 7 more. Substitute compatibility should be verified for your specific system.
Is 620-45 still available?
620-45 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026