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SAE AS5781 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SAE AS5781: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, end_item_identification: F-16 ACFT, material_document_and_classification: AMS 3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: RETAINER, BACKUP RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-641-1056, 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 AS5781
NSN: 5330-01-641-1056
NIINs: 016411056, 016416709
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
end_item_identificationF-16 ACFT
material_document_and_classificationAMS 3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyRETAINER, BACKUP RING
NSN5330-01-641-1056
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SAE AS5781 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYBACKUP RING
END ITEM IDENTIFICATIONF-16 ACFT
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
SUBSTITUTES & CROSS-REFERENCES 1
AS5781R10-112Reference 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 AS5781?
SAE AS5781 is a RETAINER,PACKING.
What parts can replace SAE AS5781?
There is 1 known substitute for SAE AS5781: AS5781R10-112. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE AS5781?
SAE AS5781 is cataloged in the U.S. Government catalog under NSN 5330-01-641-1056. This indicates validated use in U.S. government and defense supply chains.
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