PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5155Cylinder,damper

Belfort Instrument Company · NSN 6660-00-831-6952 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-00-831-6952 — this item is cataloged by the U.S. Government under National Stock Number 6660-00-831-6952. Primary manufacturer part number: 5155.
Features
  • Cylinder,damper — FSC 6660
  • General Characteristics Item Description: 0.688 IN. DIA; 0.875 IN. LONG; ALUMINUM ALLOY IN
  • 1 verified cross-reference
  • Primary manufacturer: Belfort Instrument Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cylinder,damper, cataloged under National Stock Number 6660-00-831-6952, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Belfort Instrument Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN6660-00-831-6952
Primary Part Number5155
Item NameCylinder,damper
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerBelfort Instrument Company
StatusACTIVE
General Characteristics Item Description0.688 IN. DIA; 0.875 IN. LONG; ALUMINUM ALLOY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-036-1741012-500-0005 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5355-00-038-92565155 INTERCHANGEABLE
Knob
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5315-00-132-60427601769 INTERCHANGEABLE
Key,machine
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
2920-00-158-2674105-155 INTERCHANGEABLE
Regulator,engine Generator
Prestolite Electric Inc
4030-00-697-07775194 INTERCHANGEABLE
Rod,anchor
Ngk-Locke, Inc.
5305-00-715-7499037350000 INTERCHANGEABLE
Screw,machine
Smith & Wesson Sales Company
5330-00-765-2908G8-085074 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5365-00-824-2043DS-934251 INTERCHANGEABLE
Spacer,ring
Eaton Aerospace, Llc Dba Jackson South
5136-01-351-3251 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
5155 PRIMARY Belfort Instrument Company (USA)
Related Parts
4820-00-036-1741INTERCHANGEABLE
SEAT,VALVE
012-500-0005
5355-00-038-9256INTERCHANGEABLE
KNOB
5155
5315-00-132-6042INTERCHANGEABLE
KEY,MACHINE
7601769
2920-00-158-2674INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
105-155
4030-00-697-0777INTERCHANGEABLE
ROD,ANCHOR
5194
5305-00-715-7499INTERCHANGEABLE
SCREW,MACHINE
037350000
5330-00-765-2908INTERCHANGEABLE
GASKET
G8-085074
5365-00-824-2043INTERCHANGEABLE
SPACER,RING
DS-934251
5136-01-351-3251INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 6660-00-831-6952?

NSN 6660-00-831-6952 is a Cylinder,damper, manufactured by Belfort Instrument Company, classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-00-831-6952?

NSN 6660-00-831-6952 has 1 cross-referenced part number: 5155 (Belfort Instrument Company).

What NSN replaces 6660-00-831-6952?

There are 9 known substitutes for 6660-00-831-6952: 4820-00-036-1741, 5355-00-038-9256, 5315-00-132-6042 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5155?

Key specifications for 5155: General Characteristics Item Description: 0.688 IN. DIA; 0.875 IN. LONG; ALUMINUM ALLOY IN. 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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