21404 — RING,RETAINING,OPTICAL ELEMENT

✓ Government record, cited

Legrand · MRO · MRO_GENERAL

PRODUCT OVERVIEW

21404: RING,RETAINING,OPTICAL ELEMENT.

The RING,RETAINING,OPTICAL ELEMENT is a Legrand optical transceiver module designed for high-speed data center interconnects. Key specifications include width: 6.500 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN, length: 38.125 INCHES NOMINAL IN, material: PLASTIC GRIP, thickness: 1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, base_style: MEDIUM BIPIN (FLUORESCENT), bulb_style: T (TUBULAR). This part is cataloged in the U.S.

Government catalog under NSN 2825-00-368-9139, 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→ 21404

NSN: 2825-00-368-9139
NIINs: 003689139, 004988926, 005268090, 005671309, 006120769, 006192546, 010198283, 010765968, 011974077, 013136861
FSC: 2825 — Steam Turbines and Components
CAGE: 59560 — TERRY CORP OF CONNECTICUT SUB OF INGERSOLL-RAND CO (USA)

SPECIFICATIONS

width	6.500 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN
length	38.125 INCHES NOMINAL IN
material	PLASTIC GRIP
quantity	2
thickness	1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
base_style	MEDIUM BIPIN (FLUORESCENT)
bulb_style	T (TUBULAR)
design_type	PISTOL
grip_length	6.531 INCHES NOMINAL IN
cable_length	75.000 INCHES MAXIMUM IN
overall_width	15.000 INCHES NOMINAL IN
terminal_type	WIRE LEAD
NSN	2825-00-368-9139

COMPONENT DIAGRAM

TYPICAL APPLICATIONS

Data center switch-to-switch interconnects
Server-to-storage fabric connectivity
Long-distance fiber optic links
High-speed uplink connections (10G/25G/40G/100G)

TECHNICAL CHARACTERISTICS

END ITEM IDENTIFICATION

STEAM TURBINE,SHIPS PROPULSION SYSTEM

SUBSTITUTES & CROSS-REFERENCES 2

E2890PC37Reference document

Same NSN cross-reference

Reference document — Secondary reference

E2894PC37Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 21404?

21404 is a RING,RETAINING,OPTICAL ELEMENT manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).

What parts can replace 21404?

There are 2 known substitutes for 21404: E2890PC37, E2894PC37. Substitute compatibility should be verified for your specific system.

What is the NSN for 21404?

21404 is cataloged in the U.S. Government catalog under NSN 2825-00-368-9139. This indicates validated use in U.S. government and defense supply chains.

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21404 — RING,RETAINING,OPTICAL ELEMENT

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