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AS5781P09-433 — BACK-UP RING,PREFORMED PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS5781P09-433: BACK-UP RING,PREFORMED PACKING.

The BACK-UP RING,PREFORMED PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, peripheral_diameter: 5.977 INCHES MINIMUM AND 5.979 INCHES MAXIMUM IN, center_hole_diameter: 5.505 INCHES NOMINAL IN, cross-sectional_height: 0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN, cross-sectional_shape_style: SINGLE TURN SPIRAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-708-2248, 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
AS5781P09-433
NSN: 5330-01-708-2248
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
peripheral_diameter5.977 INCHES MINIMUM AND 5.979 INCHES MAXIMUM IN
center_hole_diameter5.505 INCHES NOMINAL IN
cross-sectional_height0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
cross-sectional_shape_styleSINGLE TURN SPIRAL
specification/standard_data0U583-AS5781 NATIONAL STD/SPEC
material_document_and_classificationAMS3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyRETAINERS (BACKUP RINGS),HYDRAULIC AND PNEUMATIC,POLYTETRAFLUOROETHYLENE RESIN,SINGLE TURN,SCARF-CUT,FOR USE IN AS4716 GLANDS
NSN5330-01-708-2248
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS5781P09-433 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
•
CROSS-SECTIONAL HEIGHT: 0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE TURN SPIRAL
•
SPECIFICATION/STANDARD DATA: 0U583-AS5781 NATIONAL STD/SPEC
•
PERIPHERAL DIAMETER: 5.977 INCHES MINIMUM AND 5.979 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 5.505 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.127 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS3678/9 NATIONAL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLESINGLE TURN SPIRAL
SPECIFICATION/STANDARD DATA0U583-AS5781 NATIONAL STD/SPEC
PERIPHERAL DIAMETER5.977 INCHES MINIMUM AND 5.979 INCHES MAXIMUM IN
CENTER HOLE DIAMETER5.505 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINERS (BACKUP RINGS),HYDRAULIC AND PNEUMATIC,POLYTETRAFLUOROETHYLENE RESIN,SINGLE TURN,SCARF-CUT,FOR USE IN AS4716 GLANDS
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
556-8544963-ITEM-22Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2644-5601-ITEM-22Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS5781P09-433?
AS5781P09-433 is a BACK-UP RING,PREFORMED PACKING.
What parts can replace AS5781P09-433?
There are 2 known substitutes for AS5781P09-433: 556-8544963-ITEM-22, 2644-5601-ITEM-22. Substitute compatibility should be verified for your specific system.
What is the NSN for AS5781P09-433?
AS5781P09-433 is cataloged in the U.S. Government catalog under NSN 5330-01-708-2248. This indicates validated use in U.S. government and defense supply chains.
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