278702PC12 — LENS,OPTICAL INSTRUMENT

✓ Government record, cited

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER · COMPONENT

PRODUCT OVERVIEW

278702PC12: LENS,OPTICAL INSTRUMENT.

The LENS,OPTICAL INSTRUMENT is a NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER optical transceiver module designed for high-speed data center interconnects. Key specifications include DIAMETER: 1.378 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, ABBE CONSTANT: 41.000, AXIAL THICKNESS: 0.354 INCHES NOMINAL IN, REFRACTION INDEX: 1.5790 NOMINAL, BACK FOCAL LENGTH: 2.244 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 6650-00-026-8136, 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

278702PC12

NSN: 6650-00-026-8136
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

DIAMETER	1.378 INCHES NOMINAL IN
MATERIAL	GLASS OPTICAL
ABBE CONSTANT	41.000
AXIAL THICKNESS	0.354 INCHES NOMINAL IN
REFRACTION INDEX	1.5790 NOMINAL
BACK FOCAL LENGTH	2.244 INCHES IN
SINGLE LENS STYLE	PLANO-CONVEX
FRONT FOCAL LENGTH	2.018 INCHES IN
FSC APPLICATION DATA	1. FIRE CONTROL,RANGE FINDER,MK 37,MOD 5
EQUIVALENT FOCAL LENGTH	2.244 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
NSN	6650-00-026-8136

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: 1. FIRE CONTROL,RANGE FINDER,MK 37,MOD 5

•

BACK FOCAL LENGTH: 2.244 INCHES IN

•

FRONT FOCAL LENGTH: 2.018 INCHES IN

•

EQUIVALENT FOCAL LENGTH: 2.244 INCHES IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE

•

DIAMETER: 1.378 INCHES NOMINAL IN

•

ABBE CONSTANT: 41.000

•

AXIAL THICKNESS: 0.354 INCHES NOMINAL IN

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

FSC APPLICATION DATA	1. FIRE CONTROL,RANGE FINDER,MK 37,MOD 5
BACK FOCAL LENGTH	2.244 INCHES IN
FRONT FOCAL LENGTH	2.018 INCHES IN
EQUIVALENT FOCAL LENGTH	2.244 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER	1.378 INCHES NOMINAL IN
ABBE CONSTANT	41.000
AXIAL THICKNESS	0.354 INCHES NOMINAL IN
MATERIAL	GLASS OPTICAL
REFRACTION INDEX	1.5790 NOMINAL

OTHER ITEMS IN FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories

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

6650-00-000-0164 6650-00-001-2319 6650-00-001-2322 6650-00-001-2323 6650-00-001-2324 6650-00-001-2326 6650-00-001-2327 6650-00-001-2328

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 278702PC12?

278702PC12 is a LENS,OPTICAL INSTRUMENT manufactured by NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER.

What is the NSN for 278702PC12?

278702PC12 is cataloged in the U.S. Government catalog under NSN 6650-00-026-8136. This indicates validated use in U.S. government and defense supply chains.

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278702PC12 — LENS,OPTICAL INSTRUMENT

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