1668AS401-1 — HEAT SINK,ELECTRICAL-ELECTRONIC

✓ Government record, cited

— · FAN MODULE

PRODUCT OVERVIEW

1668AS401-1: HEAT SINK,ELECTRICAL-ELECTRONIC.

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include body_style: VERTICALLY MOUNTED W/BOARD MOUNTING TABS, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 4.000 INCHES NOMINAL IN, overall_height: 4.000 INCHES NOMINAL IN, overall_length: 5.500 INCHES NOMINAL IN, nominal_thread_size: 0.250 INCHES SINGLE MOUNTING FACILITY IN. This part is cataloged in the U.S.

Government catalog under NSN 5999-01-336-0190, 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

1668AS401-1

NSN: 5999-01-336-0190
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

body_style	VERTICALLY MOUNTED W/BOARD MOUNTING TABS
thread_class	2B SINGLE MOUNTING FACILITY
overall_width	4.000 INCHES NOMINAL IN
overall_height	4.000 INCHES NOMINAL IN
overall_length	5.500 INCHES NOMINAL IN
nominal_thread_size	0.250 INCHES SINGLE MOUNTING FACILITY IN
end_item_identification	SPECIAL ACFT AND ENG TOOLS SUPPORT EQUIP AND PARTS
thread_quantity_per_inch	20 SINGLE MOUNTING FACILITY
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
mounting_facility_type_and_quantity	1 THREADED HOLE(S) SINGLE MOUNTING FACILITY
accommodated_device_mounting_hole_quantity	4
accommodated_device_mounting_hole_pattern_style	FOUR HOLE
NSN	5999-01-336-0190

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED HOLE(S) SINGLE MOUNTING FACILITY

•

BODY STYLE: VERTICALLY MOUNTED W/BOARD MOUNTING TABS

•

NOMINAL THREAD SIZE: 0.250 INCHES SINGLE MOUNTING FACILITY IN

•

ACCOMMODATED DEVICE MOUNTING HOLE PATTERN STYLE: FOUR HOLE

•

THREAD CLASS: 2B SINGLE MOUNTING FACILITY

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED HOLE(S) SINGLE MOUNTING FACILITY
OVERALL HEIGHT	4.000 INCHES NOMINAL IN
BODY STYLE	VERTICALLY MOUNTED W/BOARD MOUNTING TABS
OVERALL LENGTH	5.500 INCHES NOMINAL IN
OVERALL WIDTH	4.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE	0.250 INCHES SINGLE MOUNTING FACILITY IN
ACCOMMODATED DEVICE MOUNTING HOLE PATTERN STYLE	FOUR HOLE
THREAD CLASS	2B SINGLE MOUNTING FACILITY
END ITEM IDENTIFICATION	SPECIAL ACFT AND ENG TOOLS SUPPORT EQUIP AND PARTS
THREAD QUANTITY PER INCH	20 SINGLE MOUNTING FACILITY

OTHER ITEMS IN FSC 5999 — Miscellaneous Electrical and Electronic Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5999-00-001-1345 5999-00-001-1346 5999-00-001-1348 5999-00-001-1349 5999-00-001-1355 5999-00-001-1623 5999-00-001-2537 5999-00-001-2539

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)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is 1668AS401-1?

1668AS401-1 is a HEAT SINK,ELECTRICAL-ELECTRONIC.

What is the NSN for 1668AS401-1?

1668AS401-1 is cataloged in the U.S. Government catalog under NSN 5999-01-336-0190. This indicates validated use in U.S. government and defense supply chains.

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1668AS401-1 — HEAT SINK,ELECTRICAL-ELECTRONIC

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