L7557 — TOWER SUPPORT GROUP

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

L7557: TOWER SUPPORT GROUP.

The TOWER SUPPORT GROUP is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: TUBE CAP ASSEMBLY. The unit ships in a 2U form factor suitable for standard rack-mount installations.

This part is cataloged in the U.S. Government catalog under NSN 5445-01-079-7557, 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

2U BAY→ L7557

NSN: 5445-01-079-7557
FSC: 5445 — Prefabricated Tower Structures
CAGE: 58632 — JAQUITH INDUSTRIES INC (USA)

SPECIFICATIONS

part_name_assigned_by_controlling_agency	TUBE CAP ASSEMBLY
NSN	5445-01-079-7557

COMPONENT DIAGRAM

KEY FEATURES

•

2U Form Factor

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES	TUBE CAP ASSEMBLY USED ON LOW IMPACT RESISTANCE STRUCTURES FOR LIGHTING SUPPORTS FOR AIRPORT APPROACHLIGHTING SYSTEMS,MODELS ALSF-2 AND MALSR. OVER-ALL DIM,6.25 INCH DIA BY 4-11/16 INCH HIGH. PER FAA SPEC FAA-E-2702;ITEM 5, DRWG D-6155-1, ALSF-2 AND MALSR LIR STRUCTURES, STRUCTURAL CONFIGURATIONS IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	TUBE CAP ASSEMBLY

SUBSTITUTES & CROSS-REFERENCES 4

D6155-2TUBECAPSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D6155-1-5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D6155-24-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

D6155TUBECAPASSYSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is L7557?

L7557 is a TOWER SUPPORT GROUP.

What parts can replace L7557?

There are 4 known substitutes for L7557: D6155-2TUBECAP, D6155-1-5, D6155-24-5 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for L7557?

L7557 is cataloged in the U.S. Government catalog under NSN 5445-01-079-7557. This indicates validated use in U.S. government and defense supply chains.

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L7557 — TOWER SUPPORT GROUP

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