PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B203Clutch,backstop

Emerson Power Transmission Corporation Div Ept · NSN 3010-00-553-7576 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-553-7576 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-553-7576. Primary manufacturer part number: B203.
Features
  • Clutch,backstop — FSC 3010
  • 2 verified cross-references
  • Primary manufacturer: Emerson Power Transmission Corporation Div Ept
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Clutch,backstop, cataloged under National Stock Number 3010-00-553-7576, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Emerson Power Transmission Corporation Div Ept. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-553-7576
Primary Part NumberB203
Item NameClutch,backstop
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerEmerson Power Transmission Corporation Div Ept
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4920-00-010-7458926759-1 INTERCHANGEABLE
Test Set,torpedo Co
Lockheed Martin Corp
3455-00-228-529715427 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5930-00-305-1131B203 INTERCHANGEABLE
Snal Switch and Sol
Unison Industries Llc
4310-00-919-6796B203 INTERCHANGEABLE
Valve Assembly,intake
Altec Air, Llc Dba Altec Llc
4820-01-158-8353B203 INTERCHANGEABLE
Valve,gate
Hunt Valve Company, Inc.
6130-01-173-9649 INTERCHANGEABLE
Generator,ultrasonic
4730-01-202-0342C13218E0470-11 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Cecom Lr Center
7025-01-445-5076B203 INTERCHANGEABLE
Printer,automatic Data Processin
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5360-01-526-3087B-203 INTERCHANGEABLE
Spring,helical,torsion
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
B203 Emerson Power Transmission Corporation Div Ept (USA)
115322-1 Tracor Aerospace Inc Advanced Systems Opn /aso/ Sub of Tracor Inc (USA)
Related Parts
4920-00-010-7458INTERCHANGEABLE
TEST SET,TORPEDO CO
926759-1
3455-00-228-5297INTERCHANGEABLE
CUTTER,MILLING,END
15427
5930-00-305-1131INTERCHANGEABLE
SNAL SWITCH AND SOL
B203
4310-00-919-6796INTERCHANGEABLE
VALVE ASSEMBLY,INTAKE
B203
4820-01-158-8353INTERCHANGEABLE
VALVE,GATE
B203
6130-01-173-9649INTERCHANGEABLE
GENERATOR,ULTRASONIC
4730-01-202-0342INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
C13218E0470-11
7025-01-445-5076INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
B203
5360-01-526-3087INTERCHANGEABLE
SPRING,HELICAL,TORSION
B-203

Frequently Asked Questions

What is NSN 3010-00-553-7576?

NSN 3010-00-553-7576 is a Clutch,backstop, manufactured by Emerson Power Transmission Corporation Div Ept, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-553-7576?

NSN 3010-00-553-7576 has 2 cross-referenced part numbers: B203 (Emerson Power Transmission Corporation Div Ept), 115322-1 (Tracor Aerospace Inc Advanced Systems Opn /aso/ Sub of Tracor Inc).

What NSN replaces 3010-00-553-7576?

There are 9 known substitutes for 3010-00-553-7576: 4920-00-010-7458, 3455-00-228-5297, 5930-00-305-1131 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B203?

Key specifications for B203: End Item Identification: DISPENSING SET,COUNTERMEASURES SET,AN/ALE-38. 1 total characteristics are documented in the Federal Logistics Information System.

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