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S33157-213-99 — BACK-UP RING,PREFORMED PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S33157-213-99: BACK-UP RING,PREFORMED PACKING.

The BACK-UP RING,PREFORMED PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC, peripheral_diameter: 1.155 INCHES MINIMUM AND 1.178 INCHES MAXIMUM IN, center_hole_diameter: 0.935 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN, cross-sectional_height: 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN, end_item_identification: B-2 BOMBER AIRCRAFT, cross-sectional_shape_style: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-505-8024, 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
S33157-213-99
NSN: 5330-01-505-8024
FSC: 5330 — Packing and Gasket Materials
CAGE: 09257 — TRELLEBORG SEALING SOLUTIONS US, INC. (USA)
SPECIFICATIONS
materialPLASTIC
peripheral_diameter1.155 INCHES MINIMUM AND 1.178 INCHES MAXIMUM IN
center_hole_diameter0.935 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
cross-sectional_height0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
end_item_identificationB-2 BOMBER AIRCRAFT
cross-sectional_shape_styleSOLID
part_name_assigned_by_controlling_agencyRING,BACKUP
NSN5330-01-505-8024
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S33157-213-99 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
•
CROSS-SECTIONAL HEIGHT: 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID
•
PERIPHERAL DIAMETER: 1.155 INCHES MINIMUM AND 1.178 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.935 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID
PERIPHERAL DIAMETER1.155 INCHES MINIMUM AND 1.178 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.935 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRING,BACKUP
END ITEM IDENTIFICATIONB-2 BOMBER AIRCRAFT
MATERIALPLASTIC
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 1
BUS7-0-M213-A-T99Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 S33157-213-99?
S33157-213-99 is a BACK-UP RING,PREFORMED PACKING.
What parts can replace S33157-213-99?
There is 1 known substitute for S33157-213-99: BUS7-0-M213-A-T99. Substitute compatibility should be verified for your specific system.
What is the NSN for S33157-213-99?
S33157-213-99 is cataloged in the U.S. Government catalog under NSN 5330-01-505-8024. This indicates validated use in U.S. government and defense supply chains.
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