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259569 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

259569: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: ALUMINUM ALLOY 2024, special_features: 1.000 IN. HGTH;2.116-16UN-3A,PLUG END A, end_item_identification: 1680-01-188-2615;FIRE EXT., closed_end_overall_diameter: 2.125 INCHES NOMINAL IN, material_document_and_classification: QQ-A-225/6, ALLOY 2024-T4 FED SPEC SINGLE MATERIAL RESPONSE.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-290-4625, 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
259569
NSN: 5340-01-290-4625
FSC: 5340 — Hardware, Commercial
CAGE: 61423 — KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
special_features1.000 IN. HGTH;2.116-16UN-3A,PLUG END A
end_item_identification1680-01-188-2615;FIRE EXT.
closed_end_overall_diameter2.125 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225/6, ALLOY 2024-T4 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-290-4625
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 259569 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
•
CLOSED END OVERALL DIAMETER: 2.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6, ALLOY 2024-T4 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: ALUMINUM ALLOY 2024
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER2.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, ALLOY 2024-T4 FED SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURES1.000 IN. HGTH;2.116-16UN-3A,PLUG END A
END ITEM IDENTIFICATION1680-01-188-2615;FIRE EXT.
MATERIALALUMINUM ALLOY 2024
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 259569?
259569 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What is the NSN for 259569?
259569 is cataloged in the U.S. Government catalog under NSN 5340-01-290-4625. 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.