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1189491 — INSERT,ENGINE VALVE SEAT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

1189491: INSERT,ENGINE VALVE SEAT.

The INSERT,ENGINE VALVE SEAT is a the manufacturer industrial component. Key specifications include special_features: FUNCTION, KEY, SQUARE CROSS SECTION; REFERENCE DATA, TI-6315.6, FA 10352, A1A1MP8, PG 8-3, end_item_identification: USED ON TDWR EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-417-5233, 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
MRO→ MRO_GENERAL→ 1189491
NSN: 5315-01-417-5233
NIINs: 014175233, 014289807, 016453588
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 82152 — FISICA APPLIED TECHNOLOGIES, INC. DIV DATRON ADVANCED TECHNOLOGIES (USA)
SPECIFICATIONS
special_featuresFUNCTION, KEY, SQUARE CROSS SECTION; REFERENCE DATA, TI-6315.6, FA 10352, A1A1MP8, PG 8-3
end_item_identificationUSED ON TDWR EQUIPMENT
NSN5315-01-417-5233
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1189491 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESFUNCTION, KEY, SQUARE CROSS SECTION; REFERENCE DATA, TI-6315.6, FA 10352, A1A1MP8, PG 8-3
END ITEM IDENTIFICATIONUSED ON TDWR EQUIPMENT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1189491?
1189491 is a INSERT,ENGINE VALVE SEAT. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 1189491?
1189491 is cataloged in the U.S. Government catalog under NSN 5315-01-417-5233. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.