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GKT628 — WASHER,FLAT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GKT628: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.343 INCHES NOMINAL IN, overall_width: 0.312 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL IN, overall_diameter: 1.812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-471-0376, 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
GKT628
NSN: 5330-00-471-0376
NIINs: 004710376, 005850551
FSC: 5330 — Packing and Gasket Materials
CAGE: 60532 — TRANE U.S. INC. DBA THE TRANE CO DIV TRANE HEADQUARTERS (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.343 INCHES NOMINAL IN
overall_width0.312 INCHES NOMINAL IN
overall_length4.000 INCHES NOMINAL IN
overall_diameter1.812 INCHES NOMINAL IN
style_designatorRECTANGULAR
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS D2000 2BCE43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-471-0376
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GKT628 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 THICKNESS: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS D2000 2BCE43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS D2000 2BCE43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH4.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH0.312 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GKT628?
GKT628 is a WASHER,FLAT.
What is the NSN for GKT628?
GKT628 is cataloged in the U.S. Government catalog under NSN 5330-00-471-0376. This indicates validated use in U.S. government and defense supply chains.
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