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11B5091884 — COVER,VENTILATORY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

11B5091884: COVER,VENTILATORY.

The COVER,VENTILATORY is a the manufacturer industrial component. Key specifications include shape: SQUARE, material: ALUMINUM ALLOY, overall_width: 6.60 INCHES NOMINAL IN, overall_length: 6.60 INCHES NOMINAL IN, special_features: CENTER HOLE 2.00INCHES, WITH 4 MOUNTING HOLES (THRU) IN, overall_thickness: 0.06 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-706-3125, 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
11B5091884
NSN: 4140-01-706-3125
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 5B5M3 — DEVCOM CHEMICAL BIOLOGICAL CENTER DBA CHEMICAL BIOLOGICAL CENTER DIV U.S. DEPT OF ARMY (USA)
SPECIFICATIONS
shapeSQUARE
materialALUMINUM ALLOY
overall_width6.60 INCHES NOMINAL IN
overall_length6.60 INCHES NOMINAL IN
special_featuresCENTER HOLE 2.00INCHES, WITH 4 MOUNTING HOLES (THRU) IN
overall_thickness0.06 INCHES NOMINAL IN
surface_treatmentPAINT
end_item_identification4940-016802383
part_name_assigned_by_controlling_agencyBREATHER VENT ADAPTER PLATE
NSN4140-01-706-3125
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,VENTILATORY TITLE COMPONENT PN 11B5091884 MFR COVER,VENTILATORY
KEY FEATURES
•
OVERALL THICKNESS: 0.06 INCHES NOMINAL IN
•
SHAPE: SQUARE
•
SURFACE TREATMENT: PAINT
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.06 INCHES NOMINAL IN
SHAPESQUARE
OVERALL LENGTH6.60 INCHES NOMINAL IN
OVERALL WIDTH6.60 INCHES NOMINAL IN
SPECIAL FEATURESCENTER HOLE 2.00INCHES, WITH 4 MOUNTING HOLES (THRU) IN
SURFACE TREATMENTPAINT
PART NAME ASSIGNED BY CONTROLLING AGENCYBREATHER VENT ADAPTER PLATE
END ITEM IDENTIFICATION4940-016802383
MATERIALALUMINUM ALLOY
OTHER ITEMS IN FSC 4140 — Fans, Air Circulators, and Blower Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4140-00-000-0082 4140-00-001-1517 4140-00-001-1536 4140-00-001-1537 4140-00-001-3930 4140-00-001-6464 4140-00-001-6874 4140-00-001-6875
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 11B5091884?
11B5091884 is a COVER,VENTILATORY.
What is the NSN for 11B5091884?
11B5091884 is cataloged in the U.S. Government catalog under NSN 4140-01-706-3125. 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.