PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

93891Guard

American Telephone and Telegraph Co · NSN 5815-00-125-4840 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-00-125-4840 — this item is cataloged by the U.S. Government under National Stock Number 5815-00-125-4840. Primary manufacturer part number: 93891.
Features
  • Guard — FSC 5815
  • 3 verified cross-references
  • Primary manufacturer: American Telephone and Telegraph Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard, cataloged under National Stock Number 5815-00-125-4840, 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 American Telephone and Telegraph Co. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGuard
FSC / FSG5815 — No Item Name Available (FSG 58)
ManufacturersAmerican Telephone and Telegraph Co (CAGE 64959); Lucent Technologies Inc Corporate Headquarters (CAGE 3B4M0); At and T Corp (CAGE 70408)
Technical Specifications
ParameterValue
NSN5815-00-125-4840
Primary Part Number93891
Item NameGuard
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-185-644112Z335-17 INTERCHANGEABLE
Nut,plain,round
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
93891 American Telephone and Telegraph Co (USA)
93891 Lucent Technologies Inc Corporate Headquarters (USA)
93891 At and T Corp (USA)
Related Parts
5310-00-185-6441INTERCHANGEABLE
NUT,PLAIN,ROUND
12Z335-17

Frequently Asked Questions

What is NSN 5815-00-125-4840?

NSN 5815-00-125-4840 is a Guard, manufactured by American Telephone and Telegraph Co, classified under FSC 5815 (No Item Name Available). Status: active.

What are the part numbers for NSN 5815-00-125-4840?

NSN 5815-00-125-4840 has 3 cross-referenced part numbers: 93891 (American Telephone and Telegraph Co), 93891 (Lucent Technologies Inc Corporate Headquarters), 93891 (At and T Corp).

What NSN replaces 5815-00-125-4840?

There is 1 known substitute for 5815-00-125-4840: 5310-00-185-6441. Verify interchangeability with system specifications before substitution.

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