PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

131721End Piece Assembly

At and T Corp · NSN 5815-00-872-3556 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-00-872-3556 — this item is cataloged by the U.S. Government under National Stock Number 5815-00-872-3556. Primary manufacturer part number: 131721.
Features
  • End Piece Assembly — FSC 5815
  • 3 verified cross-references
  • Primary manufacturer: At and T Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The End Piece Assembly, cataloged under National Stock Number 5815-00-872-3556, is classified within Federal Supply Class 5815 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is At and T Corp. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameEnd Piece Assembly
FSC / FSG5815 — No Item Name Available (FSG 58)
ManufacturersAt and T Corp (CAGE 70408); American Telephone and Telegraph Co (CAGE 64959); Lucent Technologies Inc Corporate Headquarters (CAGE 3B4M0)
Technical Specifications
ParameterValue
NSN5815-00-872-3556
Primary Part Number131721
Item NameEnd Piece Assembly
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerAt and T Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6130-01-135-6437361569-011 INTERCHANGEABLE
Power Supply
Raytheon Company Div Rmd Strategic
2915-01-173-0500 INTERCHANGEABLE
Cartridge Assembly,
Cross-Reference Index
Part NumberManufacturer
131721 At and T Corp (USA)
131721 American Telephone and Telegraph Co (USA)
131721 Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
6130-01-135-6437INTERCHANGEABLE
POWER SUPPLY
361569-011
2915-01-173-0500INTERCHANGEABLE
CARTRIDGE ASSEMBLY,

Frequently Asked Questions

What is NSN 5815-00-872-3556?

NSN 5815-00-872-3556 is a End Piece Assembly, manufactured by At and T Corp, classified under FSC 5815 (No Item Name Available). Status: active.

What are the part numbers for NSN 5815-00-872-3556?

NSN 5815-00-872-3556 has 3 cross-referenced part numbers: 131721 (At and T Corp), 131721 (American Telephone and Telegraph Co), 131721 (Lucent Technologies Inc Corporate Headquarters).

What NSN replaces 5815-00-872-3556?

There are 2 known substitutes for 5815-00-872-3556: 6130-01-135-6437, 2915-01-173-0500. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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