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161494 — INSULATOR,WASHER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

161494: INSULATOR,WASHER.

The INSULATOR,WASHER is a the manufacturer industrial component. Key specifications include diameter: 0.375 INCHES NOMINAL IN, material: STEEL, construction: STRAIGHT SEAMED, wall_thickness: 0.031 INCHES NOMINAL IN, welding_method: FUSION, first_end_style: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-701-9693, 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
161494
NSN: 5330-00-701-9693
NIINs: 007019693, 010981252, 011953253
FSC: 5330 — Packing and Gasket Materials
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
diameter0.375 INCHES NOMINAL IN
materialSTEEL
constructionSTRAIGHT SEAMED
wall_thickness0.031 INCHES NOMINAL IN
welding_methodFUSION
first_end_stylePLAIN
outside_diameter0.500 INCHES NOMINAL IN
second_end_styleOUTSIDE BEADED
style_designatorCIRCULAR
aperture_diameter0.156 INCHES NOMINAL IN
surface_treatmentCOPPER OUTSIDE
cross-sectional_width0.125 INCHES NOMINAL IN
NSN5330-00-701-9693
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 161494 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: 0.172 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.156 INCHES NOMINAL IN
•
MATERIAL: WOOL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.172 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
APERTURE DIAMETER0.156 INCHES NOMINAL IN
MATERIALWOOL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
109909Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 161494?
161494 is a INSULATOR,WASHER.
What parts can replace 161494?
There is 1 known substitute for 161494: 109909. Substitute compatibility should be verified for your specific system.
What is the NSN for 161494?
161494 is cataloged in the U.S. Government catalog under NSN 5330-00-701-9693. 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.