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Technical Data Sheet
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191020-1 — SHIELD,FIREWALL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

191020-1: SHIELD,FIREWALL.

The SHIELD,FIREWALL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-226-1885, 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
191020-1
NSN: 5340-01-226-1885
NIINs: 012261885, 013622278
FSC: 5340 — Hardware, Commercial
CAGE: H7984 — REXROTH HYDRAUDYNE B.V. DIV BOSCH REXROTH B.V. SYSTEMS & ENGINEERING (NLD)
SPECIFICATIONS
Part Number191020-1
NSN5340-01-226-1885
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 191020-1 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
SUBSTITUTES & CROSS-REFERENCES 3
200181-A1-1ARSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C14768-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A-CLMP-7-SReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 191020-1?
191020-1 is a SHIELD,FIREWALL.
What parts can replace 191020-1?
There are 3 known substitutes for 191020-1: 200181-A1-1AR, C14768-70, A-CLMP-7-S. Substitute compatibility should be verified for your specific system.
What is the NSN for 191020-1?
191020-1 is cataloged in the U.S. Government catalog under NSN 5340-01-226-1885. This indicates validated use in U.S. government and defense supply chains.
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