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Technical Data Sheet

1AA-18-001 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

RETAINER,HELICAL COMPRESSION SPR. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5340-01-359-2229, 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
1AA-18-001
NSN: 5340-01-359-2229
FSC: 5340
CAGE: 58396 — ALLIED ENTERPRISES, INC. (USA)
SPECIFICATIONS
Part Number1AA-18-001
NSN5340-01-359-2229
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1AA-18-001 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
3VP340InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
203SSInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6203-2RSInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
141021-01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
549852-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
44565InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1AA-18-001?
1AA-18-001 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace 1AA-18-001?
There are 11 known substitutes for 1AA-18-001: 3VP340, 203SS, 6203-2RS and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1AA-18-001?
1AA-18-001 is cataloged in the Federal Logistics Information System under NSN 5340-01-359-2229. This indicates validated use in U.S. government and defense supply chains.
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