M991 — VALVE,CHECK,AIR CONDITIONING

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

M991: VALVE,CHECK,AIR CONDITIONING.

The VALVE,CHECK,AIR CONDITIONING is a the manufacturer industrial component. Key specifications include unit_design: DESK TOP, display_type: CATHODE RAY TUBE, overall_width: 440.0 MILLIMETERS NOMINAL MM, interface_type: DB15, overall_height: 447.0 MILLIMETERS NOMINAL MM, display_resolution: 1600 HORIZONTAL AND 1200 VERTICAL. This part is cataloged in the U.S.

Government catalog under NSN 1660-00-631-0649, 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→ M991

NSN: 1660-00-631-0649
NIINs: 006310649, 015048092
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 81833 — AEROCONTROLEX GROUP, INC. (USA)

SPECIFICATIONS

unit_design	DESK TOP
display_type	CATHODE RAY TUBE
overall_width	440.0 MILLIMETERS NOMINAL MM
interface_type	DB15
overall_height	447.0 MILLIMETERS NOMINAL MM
display_resolution	1600 HORIZONTAL AND 1200 VERTICAL
operating_temp_range	+5.0 TO 40.0 CELSIUS DEGC
type/model_designation	M991
end_item_identification	CENTAURUS MICROSCOPE
highest_display_capability	VGA
image_refresh_rate_in_hertz	75.0
diagonal_display_size_in_inches	19.0
NSN	1660-00-631-0649

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: AIRCRAFT HEATING AND AIR CONDITIONING

TECHNICAL CHARACTERISTICS

FSC APPLICATION DATA	AIRCRAFT HEATING AND AIR CONDITIONING
END ITEM IDENTIFICATION	KC-135 AIRCRAFT

SUBSTITUTES & CROSS-REFERENCES 2

1222003-000Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

02007000-10Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is M991?

M991 is a VALVE,CHECK,AIR CONDITIONING. It is classified as a MRO (MRO_GENERAL).

What parts can replace M991?

There are 2 known substitutes for M991: 1222003-000, 02007000-10. Substitute compatibility should be verified for your specific system.

What is the NSN for M991?

M991 is cataloged in the U.S. Government catalog under NSN 1660-00-631-0649. This indicates validated use in U.S. government and defense supply chains.

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M991 — VALVE,CHECK,AIR CONDITIONING

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