6640217-4 — RETAINER,SHOE,INBOARD

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6640217-4: RETAINER,SHOE,INBOARD.

The RETAINER,SHOE,INBOARD is a the manufacturer industrial component. Key specifications include special_features: 125 MICROINCH FINISH OVERALL; EXPORT CONTROL, end_item_identification: SSN 688 CLASS SUBMARINE; NO. 1 PERISCOPE SYSTEM, criticality_code_justification: FEAT, general_characteristics_item_description: NICKEL,COPPER AS PER QQ-N-281 CL A HF; 4.495 IN.

MIN.,4.497 IN. MAX. L; 1.310 IN.

H IN. This part is cataloged in the U.S. Government catalog under NSN 2040-01-348-5264, 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

6640217-4

NSN: 2040-01-348-5264
FSC: 2040 — Marine Hardware and Hull Items
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

special_features	125 MICROINCH FINISH OVERALL; EXPORT CONTROL
end_item_identification	SSN 688 CLASS SUBMARINE; NO. 1 PERISCOPE SYSTEM
criticality_code_justification	FEAT
general_characteristics_item_description	NICKEL,COPPER AS PER QQ-N-281 CL A HF; 4.495 IN. MIN.,4.497 IN. MAX. L; 1.310 IN. H IN
NSN	2040-01-348-5264

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: NICKEL,COPPER AS PER QQ-N-281 CL A HF; 4.495 IN. MIN.,4.497 IN. MAX. L; 1.310 IN. H IN

•

CRITICALITY CODE JUSTIFICATION: FEAT

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION	NICKEL,COPPER AS PER QQ-N-281 CL A HF; 4.495 IN. MIN.,4.497 IN. MAX. L; 1.310 IN. H IN
CRITICALITY CODE JUSTIFICATION	FEAT
SPECIAL FEATURES	125 MICROINCH FINISH OVERALL; EXPORT CONTROL
END ITEM IDENTIFICATION	SSN 688 CLASS SUBMARINE; NO. 1 PERISCOPE SYSTEM

OTHER ITEMS IN FSC 2040 — Marine Hardware and Hull Items

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

2040-00-030-8331 2040-00-349-6785 2040-00-361-3924 2040-00-368-5901 2040-00-385-8796 2040-00-385-9234 2040-00-391-4442 2040-00-393-3850

SUBSTITUTES & CROSS-REFERENCES 4

B8830204Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

400-5489358 ITEM 4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5489358-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

400 5489358 REV-ITEM 4Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 6640217-4?

6640217-4 is a RETAINER,SHOE,INBOARD.

What parts can replace 6640217-4?

There are 4 known substitutes for 6640217-4: B8830204, 400-5489358 ITEM 4, 5489358-4 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 6640217-4?

6640217-4 is cataloged in the U.S. Government catalog under NSN 2040-01-348-5264. This indicates validated use in U.S. government and defense supply chains.

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