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201107 ✓ 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

The WASHER,FLAT is a Hama industrial component. Key specifications include material: PLASTIC OVERALL, special_features: 1.750 IN. OD IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-073-0022, 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
201107
NSN: 5330-01-073-0022
FSC: 5330
CAGE: 75370 — KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
special_features1.750 IN. OD IN
NSN5330-01-073-0022
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 201107 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 DIAMETER: 3.500 INCHES NOMINAL IN
•
SEAL WIDTH: 0.490 INCHES NOMINAL IN
•
MATERIAL: CARBON OVERALL
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER3.500 INCHES NOMINAL IN
END ITEM IDENTIFICATION2350-01-087-1095 M1A1 ARMD BATTLETANK
SEAL WIDTH0.490 INCHES NOMINAL IN
MATERIALCARBON OVERALL
CASE STYLESQUARE
SEALING ELEMENT STYLEVERTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
10371Interchangeable
interchangeable cross-reference
interchangeable
1949429Interchangeable
interchangeable cross-reference
interchangeable
79880Interchangeable
interchangeable cross-reference
interchangeable
SM-B-187288Interchangeable
interchangeable cross-reference
interchangeable
55972Interchangeable
interchangeable cross-reference
interchangeable
100371Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 201107?
201107 is a WASHER,FLAT manufactured by Hama.
What parts can replace 201107?
There are 24 known substitutes for 201107: 10371, 1949429, 79880 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 201107?
201107 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-073-0022. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026