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SAE-AS3125 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SAE-AS3125: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include material: STEEL, outside_diameter: 0.405 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN, special_features: ITEM PREVIOUSLY KNOWN AS PLUG, EXPANSION, AIRCRAFT, style_designator: CUP, criticality_code_justification: AGAV, part_name_assigned_by_controlling_agency: (INAVY)PLUG, EXPANSION. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-477-5116, 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
SAE-AS3125
NSN: 5340-01-477-5116
NIINs: 014775116, 014795039, 014888272, 016888191
FSC: 5340 — Hardware, Commercial
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL
outside_diameter0.405 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
special_featuresITEM PREVIOUSLY KNOWN AS PLUG, EXPANSION, AIRCRAFT
style_designatorCUP
end_item_identificationVALVE BLOCK SUBASSEMBLY; PIN TRUNNION ASSEMBLY; F/A 18E MODEL CODE TO SUPPORT ECP 6038; F/A-18F MODEL CODE IN SUPPORT OF ECP 6038
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agency(INAVY)PLUG, EXPANSION
NSN5340-01-477-5116
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SAE-AS3125 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
•
CRITICALITY CODE JUSTIFICATION: AGAV
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONAGAV
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY)PLUG, EXPANSION
END ITEM IDENTIFICATIONHEAD, LINEAR ACTUATI;PIN, TRUNNION ASSY;F/A-18E/F SUPPORT TO ECP 6038
SUBSTITUTES & CROSS-REFERENCES 1
AS3125-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SAE-AS3125?
SAE-AS3125 is a PLUG,EXPANSION.
What parts can replace SAE-AS3125?
There is 1 known substitute for SAE-AS3125: AS3125-04. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE-AS3125?
SAE-AS3125 is cataloged in the U.S. Government catalog under NSN 5340-01-477-5116. 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.