979968-2-1 — VALVE ASSEMBLY,ENVIRONMENTAL CON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

979968-2-1: VALVE ASSEMBLY,ENVIRONMENTAL CON.

VALVE ASSEMBLY,ENVIRONMENTAL CON. Key specifications include end_item_identification: KC135R ACFT, general_characteristics_item_description: 4.000 IN. DIA, SHUTOFF/RELIEF VALVE IN.

This part is cataloged in the U.S. Government catalog under NSN 1660-01-140-1978, 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

979968-2-1

NSN: 1660-01-140-1978
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)

SPECIFICATIONS

end_item_identification	KC135R ACFT
general_characteristics_item_description	4.000 IN. DIA, SHUTOFF/RELIEF VALVE IN
NSN	1660-01-140-1978

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: 4.000 IN. DIA, SHUTOFF/RELIEF VALVE IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION	4.000 IN. DIA, SHUTOFF/RELIEF VALVE IN
END ITEM IDENTIFICATION	KC135R ACFT

OTHER ITEMS IN FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment

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

1660-00-006-4472 1660-00-009-5646 1660-00-019-8389 1660-00-019-8399 1660-00-031-5285 1660-00-302-4390 1660-00-441-0575 1660-01-601-0729

SUBSTITUTES & CROSS-REFERENCES 4

979968-1-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

10-2490-511Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

979968-1-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

10-2490-505Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 979968-2-1?

979968-2-1 is a VALVE ASSEMBLY,ENVIRONMENTAL CON.

What parts can replace 979968-2-1?

There are 4 known substitutes for 979968-2-1: 979968-1-2, 10-2490-511, 979968-1-1 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 979968-2-1?

979968-2-1 is cataloged in the U.S. Government catalog under NSN 1660-01-140-1978. This indicates validated use in U.S. government and defense supply chains.

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979968-2-1 — VALVE ASSEMBLY,ENVIRONMENTAL CON

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