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PartsTable / COMPONENT / 77804-5
77804-5 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The RETAINER,OPTICAL ELEMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include diameter: 0.250 INCHES NOMINAL IN, material: STEEL, construction: SEAMLESS, heat_treatment: ANNEALED, wall_thickness: 0.028 INCHES NOMINAL IN, first_end_style: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-044-2249, 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
77804-5
NSN: 4710-01-044-2249
FSC: 4710
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialSTEEL
constructionSEAMLESS
heat_treatmentANNEALED
wall_thickness0.028 INCHES NOMINAL IN
first_end_stylePLAIN
surface_treatmentPASSIVATE OUTSIDE
cross-sectional_shape_stylePLAIN ROUND
material_document_and_classificationMIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE
second_end_relationship_with_first_endIDENTICAL
NSN4710-01-044-2249
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 77804-5 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: PASSIVATE OUTSIDE
•
FIRST END STYLE: PLAIN
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN ROUND
•
MATERIAL: STEEL
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 (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTPASSIVATE OUTSIDE
SURFACE TREATMENTPASSIVATE INSIDE
FIRST END STYLEPLAIN
DIAMETER0.250 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
CROSS-SECTIONAL SHAPE STYLEPLAIN ROUND
MATERIALSTEEL
WALL THICKNESS0.028 INCHES NOMINAL IN
CONSTRUCTIONSEAMLESS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
KPP3-35Interchangeable
interchangeable cross-reference
interchangeable
2968Interchangeable
interchangeable cross-reference
interchangeable
77804Interchangeable
interchangeable cross-reference
interchangeable
1168938Interchangeable
interchangeable cross-reference
interchangeable
77804-001Interchangeable
interchangeable cross-reference
interchangeable
0203MPI-SSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77804-5?
77804-5 is a RETAINER,OPTICAL ELEMENT.
What parts can replace 77804-5?
There are 6 known substitutes for 77804-5: KPP3-35, 2968, 77804 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77804-5?
77804-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-044-2249. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026