PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7257Guard

Telemechanics Inc · NSN 5815-00-126-3872 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-00-126-3872 — this item is cataloged by the U.S. Government under National Stock Number 5815-00-126-3872. Primary manufacturer part number: 7257.
Features
  • Guard — FSC 5815
  • 3 verified cross-references
  • Primary manufacturer: Telemechanics Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard, cataloged under National Stock Number 5815-00-126-3872, 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 Telemechanics Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGuard
FSC / FSG5815 — No Item Name Available (FSG 58)
ManufacturersTelemechanics Inc (CAGE 57712); American Telephone and Telegraph Co (CAGE 64959); At and T Corp (CAGE 70408)
Technical Specifications
ParameterValue
NSN5815-00-126-3872
Primary Part Number7257
Item NameGuard
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-0504 INTERCHANGEABLE
Cup,tapered Roller Bearing
5935-00-201-394210A045 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
2520-00-352-4553 INTERCHANGEABLE
Sleeve,reverse Idle
5995-00-416-82915-361-100-1FT INTERCHANGEABLE
Cable Assembly,special Purpose,e
L3harris Technologies, Inc Div Space & Airborne Systems
5360-00-685-05177257 INTERCHANGEABLE
Spring,helical,compression
Imi Cash Valve Inc
2915-00-767-25037257 INTERCHANGEABLE
Cap Air
Collins Engine Nozzles, Inc
6760-00-883-72577257 INTERCHANGEABLE
Lens,camera,general Photographic
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
5905-01-071-5004 INTERCHANGEABLE
Resistor,fixed,film
4240-01-246-5413 INTERCHANGEABLE
Filter,respirator,air Filtering
6515-01-562-6724B90240 INTERCHANGEABLE
Administration Set,intravenous F
Icu Medical Sales, Inc.
Cross-Reference Index
Part NumberManufacturer
7257 PRIMARY Telemechanics Inc (USA)
7257 American Telephone and Telegraph Co (USA)
7257 At and T Corp (USA)
Related Parts
3110-00-100-0504INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5935-00-201-3942INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
10A045
2520-00-352-4553INTERCHANGEABLE
SLEEVE,REVERSE IDLE
5995-00-416-8291INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5-361-100-1FT
5360-00-685-0517INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7257
2915-00-767-2503INTERCHANGEABLE
CAP AIR
7257
6760-00-883-7257INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC
7257
5905-01-071-5004INTERCHANGEABLE
RESISTOR,FIXED,FILM
4240-01-246-5413INTERCHANGEABLE
FILTER,RESPIRATOR,AIR FILTERING
6515-01-562-6724INTERCHANGEABLE
ADMINISTRATION SET,INTRAVENOUS F
B90240

Frequently Asked Questions

What is NSN 5815-00-126-3872?

NSN 5815-00-126-3872 is a Guard, manufactured by Telemechanics Inc, classified under FSC 5815 (No Item Name Available). Status: active.

What are the part numbers for NSN 5815-00-126-3872?

NSN 5815-00-126-3872 has 3 cross-referenced part numbers: 7257 (Telemechanics Inc), 7257 (American Telephone and Telegraph Co), 7257 (At and T Corp).

What NSN replaces 5815-00-126-3872?

There are 10 known substitutes for 5815-00-126-3872: 3110-00-100-0504, 5935-00-201-3942, 2520-00-352-4553 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com