PartsTable
Technical Data Sheet
Download PDF

105-512 — FITTING,STRUCTURAL COMPONENT,AIR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

105-512: FITTING,STRUCTURAL COMPONENT,AIR.

FITTING,STRUCTURAL COMPONENT,AIR. Key specifications include material: ALUMINUM ALLOY 7075, aircraft_location: WING PANEL, end_item_identification: 3805-01-537-7952;DITCHING MACHINE RT40, aircraft_mission_design_series: HH60, material_document_and_classification: QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: FITTING,UPPER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-123-8681, 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
105-512
NSN: 5340-00-123-8681
NIINs: 001238681, 014878589, 015004245, 015508423
FSC: 5340 — Hardware, Commercial
CAGE: 01359 — TRIUMPH THERMAL SYSTEMS - MARYLAND, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
aircraft_locationWING PANEL
end_item_identification3805-01-537-7952;DITCHING MACHINE RT40
aircraft_mission_design_seriesHH60
material_document_and_classificationQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyFITTING,UPPER
NSN5340-00-123-8681
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 105-512 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 3.500 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 3.375 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER3.500 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED3.375 INCHES NOMINAL IN
MATERIALALUMINUM
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 105-512?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 105-512?
105-512 is a FITTING,STRUCTURAL COMPONENT,AIR.
What is the NSN for 105-512?
105-512 is cataloged in the U.S. Government catalog under NSN 5340-00-123-8681. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 105-512

✓ 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.