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X123-904-3 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

X123-904-3: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT, special_features: MATERIAL POLYTETRAFLUOROETHYLENE, end_item_identification: MG30BDA , NITROGEN GENERATOR, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-437-5179, 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
X123-904-3
NSN: 5330-01-437-5179
NIINs: 014375179, 015929143
FSC: 5330 — Packing and Gasket Materials
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT
special_featuresMATERIAL POLYTETRAFLUOROETHYLENE
end_item_identificationMG30BDA , NITROGEN GENERATOR
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.
NSN5330-01-437-5179
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X123-904-3 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL POLYTETRAFLUOROETHYLENE
END ITEM IDENTIFICATION"RIX" COMMERICAL OXYGEN CLEANING PROCEDURE
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 X123-904-3?
X123-904-3 is a PACKING,PREFORMED.
What is the NSN for X123-904-3?
X123-904-3 is cataloged in the U.S. Government catalog under NSN 5330-01-437-5179. 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.