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1778 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
Thule · MRO · MRO_GENERAL
PRODUCT OVERVIEW

1778: TRANSFORMER,AUDIO FREQUENCY.

Custom adapter kit for mounting a Thule roof rack system to select vehicles. Key specifications include size_designation: ADULT, special_features: REUSABLE; LATEX FREE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-118-6726, 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
MRO→ MRO_GENERAL→ 1778
NSN: 5330-00-118-6726
NIINs: 001186726, 002504680, 002656825, 009119175, 011637493, 012195520, 013348905, 015559522
FSC: 5330 — Packing and Gasket Materials
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
size_designationADULT
special_featuresREUSABLE; LATEX FREE
NSN5330-00-118-6726
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1778 MFR: Thule ⚠ 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: 0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: A56FSC-81977 MFR REF SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: ASBESTOS OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONA56FSC-81977 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
SPECIAL FEATURES8 HOLES 0.281 IN. DIA,2 HOLES 0.203 IN DIA,2 HOLES 0.281 IN. DIA IN
MATERIALASBESTOS OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1778?
1778 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Thule. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 1778?
1778 is cataloged in the U.S. Government catalog under NSN 5330-00-118-6726. 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.