340842 — DIFFUSER,AIR,AIRCRAFT HEATING AN

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

340842: DIFFUSER,AIR,AIRCRAFT HEATING AN.

DIFFUSER,AIR,AIRCRAFT HEATING AN. Key specifications include material: PLASTIC, inscription: DC4 AND T, overall_width: 0.719 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 0.719 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-988-1268, 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→ 340842

NSN: 5360-00-988-1268
NIINs: 009881268, 010180564, 010278515
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 06424 — ALLIANT TECHSYSTEMS OPERATIONS LLC DIV DEFENSE ELECTRONIC SYSTEMS (USA)

SPECIFICATIONS

material	PLASTIC
inscription	DC4 AND T
overall_width	0.719 INCHES NOMINAL IN
overall_height	0.500 INCHES NOMINAL IN
overall_length	0.719 INCHES NOMINAL IN
NSN	5360-00-988-1268

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.362 INCHES MAXIMUM IN

•

END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS

•

SPRING SOLID LENGTH: 0.625 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: CYLINDRICAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

SPRING FREE LENGTH: 1.250 INCHES MINIMUM IN

•

INSIDE DIAMETER: 0.275 INCHES MINIMUM IN

•

SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.362 INCHES MAXIMUM IN
END STYLE	SPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH	0.625 INCHES MAXIMUM IN
STYLE DESIGNATOR	CYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH	1.250 INCHES MINIMUM IN
INSIDE DIAMETER	0.275 INCHES MINIMUM IN
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
COIL HELIX DIRECTION	RIGHT-HAND OR LEFT-HAND
MATERIAL	STEEL UNS K08500 OVERALL

SUBSTITUTES & CROSS-REFERENCES 1

240842Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 340842?

340842 is a DIFFUSER,AIR,AIRCRAFT HEATING AN. It is classified as a MRO (MRO_GENERAL).

What parts can replace 340842?

There is 1 known substitute for 340842: 240842. Substitute compatibility should be verified for your specific system.

What is the NSN for 340842?

340842 is cataloged in the U.S. Government catalog under NSN 5360-00-988-1268. This indicates validated use in U.S. government and defense supply chains.

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340842 — DIFFUSER,AIR,AIRCRAFT HEATING AN

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