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197A204-1 — 197A204-1

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

197A204-1: 197A204-1.

The 197A204-1 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-452-2232, 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
197A204-1
NSN: 5340-01-452-2232
FSC: 5340 — Hardware, Commercial
CAGE: 03640 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
Part Number197A204-1
NSN5340-01-452-2232
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 197A204-1 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
KEY FEATURES
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SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.9700 INCHES NOMINAL IN
•
FIRST LEG ANGLE: 0.90 RADIANS NOMINAL
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SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE
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SECOND LEG WIDTH: 4.3000 INCHES NOMINAL IN
•
SECOND LEG LENGTH: 4.3000 INCHES NOMINAL IN
•
FIRST LEG HOLE ARRANGEMENT STYLE: TWO HOLES
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH: 0.5500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.9700 INCHES NOMINAL IN
FIRST LEG ANGLE0.90 RADIANS NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE
SECOND LEG WIDTH4.3000 INCHES NOMINAL IN
SECOND LEG LENGTH4.3000 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLETWO HOLES
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.5500 INCHES NOMINAL IN
STYLE DESIGNATORANGLE
FIRST LEG STYLEEND RADIUS AND TAPERED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 197A204-1?
197A204-1 is a 197A204-1.
What is the NSN for 197A204-1?
197A204-1 is cataloged in the U.S. Government catalog under NSN 5340-01-452-2232. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.