PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86661Accumulator,hydraulic

Senior Operations Llc Dba Metal Bellows Div Metal Bellows · NSN 1650-01-354-2902 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-01-354-2902 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-354-2902. Primary manufacturer part number: 86661.
Features
  • Accumulator,hydraulic — FSC 1650
  • Shape: CYLINDRICAL
  • Port Screw Thread Quantity Per Inch: 24.000
  • Port Screw Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Operating Pressure: 135.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Port Screw Thread Diameter: 0.3125 INCHES NOMINAL IN
  • Bleeder Opening: NOT INCLUDED
  • Thread Class: 3B
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Accumulator,hydraulic, cataloged under National Stock Number 1650-01-354-2902, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Senior Operations Llc Dba Metal Bellows Div Metal Bellows. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-01-354-2902
Primary Part Number86661
Item NameAccumulator,hydraulic
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerSenior Operations Llc Dba Metal Bellows Div Metal Bellows
StatusACTIVE
ShapeCYLINDRICAL
Port Screw Thread Quantity Per Inch24.000
Port Screw Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Operating Pressure135.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Port Screw Thread Diameter0.3125 INCHES NOMINAL IN
Bleeder OpeningNOT INCLUDED
Thread Class3B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6695-00-009-5920 INTERCHANGEABLE
Sampler,liquid
5815-00-129-19457380 INTERCHANGEABLE
Assembly Switch
Telemechanics Inc
3455-00-190-8406 INTERCHANGEABLE
Cutter Bit,tool Holder
6240-00-261-84307380 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
3120-00-339-3641HM3950-339-3641 INTERCHANGEABLE
Bearing,sleeve
Naval Inventory Control Point Mechanicsburg
1680-00-529-8264963882-841 INTERCHANGEABLE
Liner,free Fall Chute
I.m.p Group Limited Div Aerospace
6625-00-832-9051 INTERCHANGEABLE
Test Set,electrical Power
3030-01-084-239815380 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
4820-01-248-89427380 INTERCHANGEABLE
Cap,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
3433-01-307-32108-6575 INTERCHANGEABLE
Tip,cutting Torch
Thermal Dynamics Corp
Cross-Reference Index
Part NumberManufacturer
86661 PRIMARY Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA)
6096467 Raytheon Company Dba Raytheon (USA)
7380 PRIMARY Pneudraulics, Inc. (USA)
86661 Senior Flexonics Inc (USA)
86575 Senior Flexonics Inc (USA)
Related Parts
6695-00-009-5920INTERCHANGEABLE
SAMPLER,LIQUID
5815-00-129-1945INTERCHANGEABLE
ASSEMBLY SWITCH
7380
3455-00-190-8406INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
6240-00-261-8430INTERCHANGEABLE
LAMP,INCANDESCENT
7380
3120-00-339-3641INTERCHANGEABLE
BEARING,SLEEVE
HM3950-339-3641
1680-00-529-8264INTERCHANGEABLE
LINER,FREE FALL CHUTE
963882-841
6625-00-832-9051INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
3030-01-084-2398INTERCHANGEABLE
BELT,V
15380
4820-01-248-8942INTERCHANGEABLE
CAP,VALVE
7380
3433-01-307-3210INTERCHANGEABLE
TIP,CUTTING TORCH
8-6575
6670-01-345-9261INTERCHANGEABLE
BALANCEWEIGHT
906-8657-5
5995-01-353-5724INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
807250-1

Frequently Asked Questions

What is NSN 1650-01-354-2902?

NSN 1650-01-354-2902 is a Accumulator,hydraulic, manufactured by Senior Operations Llc Dba Metal Bellows Div Metal Bellows, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-01-354-2902?

NSN 1650-01-354-2902 has 5 cross-referenced part numbers: 86661 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows), 6096467 (Raytheon Company Dba Raytheon), 7380 (Pneudraulics, Inc.), 86661 (Senior Flexonics Inc), 86575 (Senior Flexonics Inc).

What NSN replaces 1650-01-354-2902?

There are 12 known substitutes for 1650-01-354-2902: 6695-00-009-5920, 5815-00-129-1945, 3455-00-190-8406 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 86661?

Key specifications for 86661: Shape: CYLINDRICAL; Special Features: MATERIAL IS STAINLESS STEEL; Port Screw Thread Quantity Per Inch: 24.000; Port Screw Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF). 12 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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