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3657-50-5 — INSULATOR,PLATE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3657-50-5: INSULATOR,PLATE.

The INSULATOR,PLATE is a the manufacturer industrial component. Key specifications include material: OVERALL RUBBER,ELASTOMER HMS17-1764,TYPE IV,HUGHES AIRCRAFT CO, overall_width: 6.000 INCHES NOMINAL IN, overall_height: 0.016 INCHES NOMINAL IN, overall_length: 12.250 INCHES NOMINAL IN, special_features: 6 HOLES 0.460 IN. MIN,0.500 IN.

MAX DIA; 6 HOLES 0.200 IN. MIN,0.240 IN. MAX DIA IN, style_designator: FLAT, RECTANGULAR.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-126-1029, 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
3657-50-5
NSN: 5330-01-126-1029
NIINs: 011261029, 011679023
FSC: 5330 — Packing and Gasket Materials
CAGE: 13859 — KING NUTRONICS CORPORATION DBA KING NUTRONICS (USA)
SPECIFICATIONS
materialOVERALL RUBBER,ELASTOMER HMS17-1764,TYPE IV,HUGHES AIRCRAFT CO
overall_width6.000 INCHES NOMINAL IN
overall_height0.016 INCHES NOMINAL IN
overall_length12.250 INCHES NOMINAL IN
special_features6 HOLES 0.460 IN. MIN,0.500 IN. MAX DIA; 6 HOLES 0.200 IN. MIN,0.240 IN. MAX DIA IN
style_designatorFLAT, RECTANGULAR
NSN5330-01-126-1029
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3657-50-5 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
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 3657-50-5?
3657-50-5 is a INSULATOR,PLATE.
What is the NSN for 3657-50-5?
3657-50-5 is cataloged in the U.S. Government catalog under NSN 5330-01-126-1029. 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.