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Technical Data Sheet
PartsTable / COMPONENT / 1W4312-00
1W4312-00 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM PACKING, construction: TWO-PIECE, special_features: FOR 0.50 IN & 0.75 IN TUBE IN, end_item_identification: REENTRY SYSTEM TEST SET (RSTS), cross-sectional_shape_style: SPECIAL, part_name_assigned_by_controlling_agency: CENTERING RING ASSY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-500-5860, 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
1W4312-00
NSN: 5330-01-500-5860
FSC: 5330
CAGE: 32345 — DEFENSE REDUCTION AGENCY (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM PACKING
constructionTWO-PIECE
special_featuresFOR 0.50 IN & 0.75 IN TUBE IN
end_item_identificationREENTRY SYSTEM TEST SET (RSTS)
cross-sectional_shape_styleSPECIAL
part_name_assigned_by_controlling_agencyCENTERING RING ASSY
NSN5330-01-500-5860
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1W4312-00 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 SHAPE STYLE: SPECIAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM PACKING
•
CONSTRUCTION: TWO-PIECE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESPECIAL
END ITEM IDENTIFICATIONREENTRY SYSTEM TEST SET (RSTS)
MATERIALRUBBER FLUOROCARBON CLASS FPM PACKING
PART NAME ASSIGNED BY CONTROLLING AGENCYCENTERING RING ASSY
MATERIALSTEEL CORROSION RESISTING RETAINER
SPECIAL FEATURESFOR 0.50 IN & 0.75 IN TUBE IN
CONSTRUCTIONTWO-PIECE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
710-100Interchangeable
interchangeable cross-reference
interchangeable
710-000Interchangeable
interchangeable cross-reference
interchangeable
9452539-01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1W4312-00?
1W4312-00 is a PACKING WITH RETAINER.
What parts can replace 1W4312-00?
There are 3 known substitutes for 1W4312-00: 710-100, 710-000, 9452539-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 1W4312-00?
1W4312-00 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-500-5860. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026