PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M3500-9Indicator,turn and Slip

Allen R C Instruments Inc · NSN 6610-00-620-3802 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-620-3802 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-620-3802. Primary manufacturer part number: M3500-9.
Features
  • Indicator,turn and Slip — FSC 6610
  • Depth: 5.500 INCHES NOMINAL IN
  • Current Type: DC
  • Width: 2.375 INCHES NOMINAL IN
  • Contact Type: PIN
  • Electrical Connection Identifying Number: MS33678-10SL-3P
  • Electrical Connection Quantity: 1
  • Height: 2.375 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,turn and Slip, cataloged under National Stock Number 6610-00-620-3802, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Allen R C Instruments Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6610-00-620-3802
Primary Part NumberM3500-9
Item NameIndicator,turn and Slip
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerAllen R C Instruments Inc
StatusACTIVE
Depth5.500 INCHES NOMINAL IN
Current TypeDC
Width2.375 INCHES NOMINAL IN
Contact TypePIN
Electrical Connection Identifying NumberMS33678-10SL-3P
Electrical Connection Quantity1
Height2.375 INCHES NOMINAL IN
Pointer PurposeUSED TO SHOW RATE OF TURN AND STABILITY OF ACFT
Mounting Facility Type and Quantity1 THREADED BEZEL
Contact Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-03481620 INTERCHANGEABLE
Cup,tapered Roller Bearing
Mitsubishi Caterpillar Forklift America, Inc
3455-00-231-352453-10006 INTERCHANGEABLE
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Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5945-00-369-042940-295-9 INTERCHANGEABLE
Finger,contact
Eaton Corp Opns & Technical Center
4730-00-737-5817A1620 INTERCHANGEABLE
Packing Nut
Dcm Manufacturing, Inc.
4730-01-013-6131A1620 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mueller Brass Co.
4320-01-210-2818A1671M1125 INTERCHANGEABLE
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Weil Pump Co Inc
5315-01-218-7221 INTERCHANGEABLE
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7310-01-320-3873A1620 INTERCHANGEABLE
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Jal Enterprises, Inc. Dba Jal Enterprises T
Cross-Reference Index
Part NumberManufacturer
M3500-9 Allen R C Instruments Inc (USA)
A1620 Allen R C Instruments Inc (USA)
MS28041-2A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M3500-9 Kelly Manufacturing Company (USA)
Related Parts
3110-00-100-0348INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
1620
3455-00-231-3524INTERCHANGEABLE
CUTTER,MILLING,SHELL END
53-10006
5945-00-369-0429INTERCHANGEABLE
FINGER,CONTACT
40-295-9
4730-00-737-5817INTERCHANGEABLE
PACKING NUT
A1620
4730-01-013-6131INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
A1620
4320-01-210-2818INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A1671M1125
5315-01-218-7221INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
7310-01-320-3873INTERCHANGEABLE
CIRCULATOR,DISPENSER
A1620

Frequently Asked Questions

What is NSN 6610-00-620-3802?

NSN 6610-00-620-3802 is a Indicator,turn and Slip, manufactured by Allen R C Instruments Inc, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-620-3802?

NSN 6610-00-620-3802 has 4 cross-referenced part numbers: M3500-9 (Allen R C Instruments Inc), A1620 (Allen R C Instruments Inc), MS28041-2A (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), M3500-9 (Kelly Manufacturing Company).

What NSN replaces 6610-00-620-3802?

There are 8 known substitutes for 6610-00-620-3802: 3110-00-100-0348, 3455-00-231-3524, 5945-00-369-0429 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M3500-9?

Key specifications for M3500-9: Depth: 5.500 INCHES NOMINAL IN; Current Type: DC; Width: 2.375 INCHES NOMINAL IN; Contact Type: PIN. 10 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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