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Technical Data Sheet
20-554 ✓ Verified by PartsTable
Hama · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

<b>As easy as 1, 2, 3</b><br><br>1. Put on the beads.<br>2. Cover the design with a household iron.

The ironing must be done by an adult.<br>3. Remove finished design from the reusable board. Key specifications include shape: CUP, material: STEEL OVERALL, case_style: SQUARE, joint_type: DOUBLE, seal_width: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN, body_length: 1.750 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-9436, 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
20-554
NSN: 5330-00-285-9436
FSC: 5330
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
shapeCUP
materialSTEEL OVERALL
case_styleSQUARE
joint_typeDOUBLE
seal_width0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
body_length1.750 INCHES NOMINAL IN
thread_class2B ALL ENDS
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity45 SINGLE COMPONENT SINGLE WINDING
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_length1.490 INCHES NOMINAL IN
NSN5330-00-285-9436
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20-554 MFR: Hama ⚠ 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
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
CASE STYLE: SQUARE
MATERIAL: STEEL CASE
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
HOUSING BORE DIAMETER: 1.828 INCHES NOMINAL IN
SEAL WIDTH: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
MATERIALSTEEL CASE
MATERIALLEATHER OR RUBBER SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.828 INCHES NOMINAL IN
SEAL WIDTH0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
5867705673Interchangeable
interchangeable cross-reference
interchangeable
20-554Interchangeable
interchangeable cross-reference
interchangeable
70-5673Interchangeable
interchangeable cross-reference
interchangeable
20554-1Interchangeable
interchangeable cross-reference
interchangeable
20554REVBInterchangeable
interchangeable cross-reference
interchangeable
2450582Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-554?
20-554 is a COIL,RADIO FREQUENCY manufactured by Hama.
What parts can replace 20-554?
There are 20 known substitutes for 20-554: 5867705673, 20-554, 70-5673 and 17 more. Substitute compatibility should be verified for your specific system.
Is 20-554 still available?
20-554 is currently cancelled.
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