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18187 — TRANSFORMER,POWER

✓ Government record, cited
Disguise · ORING SEAL
PRODUCT OVERVIEW

18187: TRANSFORMER,POWER.

Bluetooth USB adapter to connect PC or laptop to smartphones, tablets and other devices. Key specifications include material: RUBBER SILICONE CLASS Q, body_width: 3.125 INCHES MAXIMUM IN, body_height: 3.750 INCHES MAXIMUM IN, body_length: 3.625 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED HOLE(S) SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-599-6404, 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
18187
NSN: 5331-00-599-6404
NIINs: 005996404, 011514794, 016656768
FSC: 5331 — O-ring
CAGE: 89446 — HILLER AIRCRAFT CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
body_width3.125 INCHES MAXIMUM IN
body_height3.750 INCHES MAXIMUM IN
body_length3.625 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.164 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
cross-sectional_height0.062 INCHES NOMINAL IN
maximum_operating_temp95.0 CELSIUS DEGC
supplementary_featuresVALVE ASSEMBLY, COLLECTIVE CONTROL
NSN5331-00-599-6404
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18187 MFR: Disguise ⚠ 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: 0.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q
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 18187?
18187 is a TRANSFORMER,POWER manufactured by Disguise.
What is the NSN for 18187?
18187 is cataloged in the U.S. Government catalog under NSN 5331-00-599-6404. 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.