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45M-678 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

45M-678: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, special_features: GOES TO AN 8" ROTARY VALVE, peripheral_diameter: 2.226 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN, center_hole_diameter: 1.360 INCHES NOMINAL IN, cross-sectional_height: 0.535 INCHES NOMINAL IN, end_item_identification: TARAWA CLASS LHA. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-472-7494, 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
45M-678
NSN: 5330-01-472-7494
FSC: 5330 — Packing and Gasket Materials
CAGE: 21013 — METREX VALVE CORP. DBA METREX VALVE CORP (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
special_featuresGOES TO AN 8" ROTARY VALVE
peripheral_diameter2.226 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN
center_hole_diameter1.360 INCHES NOMINAL IN
cross-sectional_height0.535 INCHES NOMINAL IN
end_item_identificationTARAWA CLASS LHA
cross-sectional_shape_styleSPECIAL
part_name_assigned_by_controlling_agencyRETAINER, SHAFT SEAL
NSN5330-01-472-7494
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 45M-678 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: 0.535 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 2.226 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.360 INCHES NOMINAL IN
•
MATERIAL: PLASTIC ACETAL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.535 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER2.226 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN
SPECIAL FEATURESGOES TO AN 8" ROTARY VALVE
CENTER HOLE DIAMETER1.360 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER, SHAFT SEAL
END ITEM IDENTIFICATIONTARAWA CLASS LHA
MATERIALPLASTIC ACETAL OVERALL
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
EAOCM-814NF2-3W ITEM 25Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 45M-678?
45M-678 is a RETAINER,PACKING.
What parts can replace 45M-678?
There is 1 known substitute for 45M-678: EAOCM-814NF2-3W ITEM 25. Substitute compatibility should be verified for your specific system.
What is the NSN for 45M-678?
45M-678 is cataloged in the U.S. Government catalog under NSN 5330-01-472-7494. This indicates validated use in U.S. government and defense supply chains.
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