PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

142/13Autocollimator

Taylor Hobson Inc · NSN 6650-01-201-7591 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-201-7591 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-201-7591. Primary manufacturer part number: 142/13.
Features
  • Autocollimator — FSC 6650
  • General Characteristics Item Description: 2.250 IN. HARDENED STEEL BARREL LOCATING LENGTH 7.000 IN.; MIN OVERALL LENGTH OF BARREL 10.500 IN.; DETACHABLE RIGHT ANGLE LAMP HOLDER; HIGH PRECISION RETICLE;MICROMETER EYEPIECE READING DIRECT TO 1/10TH SECOND; 1 DRUM REVOLUTION 30 SEC; 1/2 AND 1 MIN READING TO 10 MINS TOTAL RANGE BY EXTERNAL SCALE; EYEPIECE ROTATION THRU 90 DEG TO GIVE MICROMETER READINGS IN 2 PERPENDICULAR PLANES; EYEPIECE MOUNTED FOR STRAIGHT OR RIGHT ANGLE VIEWING; INCL 4V TRANSFORMER; LEVELING BASE W/ 3 LEWIS PADS V
  • 7 verified cross-references
  • Primary manufacturer: Taylor Hobson Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Autocollimator, cataloged under National Stock Number 6650-01-201-7591, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Taylor Hobson Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 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
NSN6650-01-201-7591
Primary Part Number142/13
Item NameAutocollimator
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerTaylor Hobson Inc
StatusACTIVE
General Characteristics Item Description2.250 IN. HARDENED STEEL BARREL LOCATING LENGTH 7.000 IN.; MIN OVERALL LENGTH OF BARREL 10.500 IN.; DETACHABLE RIGHT ANGLE LAMP HOLDER; HIGH PRECISION RETICLE;MICROMETER EYEPIECE READING DIRECT TO 1/10TH SECOND; 1 DRUM REVOLUTION 30 SEC; 1/2 AND 1 MIN READING TO 10 MINS TOTAL RANGE BY EXTERNAL SCALE; EYEPIECE ROTATION THRU 90 DEG TO GIVE MICROMETER READINGS IN 2 PERPENDICULAR PLANES; EYEPIECE MOUNTED FOR STRAIGHT OR RIGHT ANGLE VIEWING; INCL 4V TRANSFORMER; LEVELING BASE W/ 3 LEWIS PADS V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-229-92308765-8-E INTERCHANGEABLE
Flange,pipe
Fives North American Combustion, Inc. Dba Fives North American Combustion Inc
5315-00-447-356014213 INTERCHANGEABLE
Pin
Dressta North America Ltd
1660-00-659-8880PS115590 INTERCHANGEABLE
Tube,air Pressure R
Honeywell International Inc. Div Aerospace - Torrance
5985-00-867-17111061 INTERCHANGEABLE
Line Section,radio Frequency Tra
Andrew Llc
4820-00-924-213210105878-6 INTERCHANGEABLE
Valve,flow Control
Us Army Aviation and Missile Command
6650-00-968-5696TA51 INTERCHANGEABLE
Autocollimator,microptic
Engis Corporation
4931-00-994-7119D600 INTERCHANGEABLE
Collimator,telescope
Davidson Optronics Inc. Dba Doi Venture
4330-01-047-2378 INTERCHANGEABLE
Filter,fluid
6220-01-127-542114213 INTERCHANGEABLE
Strip,nylon
Grimes Aerospace Company
2590-01-162-6208 INTERCHANGEABLE
Control Assembly,push-Pull
Cross-Reference Index
Part NumberManufacturer
TA51 Taylor Hobson Ltd (GBR)
142/13 Taylor Hobson Ltd (GBR)
142/12-142/76 Taylor Hobson Inc (USA)
6650-1131-2200 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
TA51 Taylor Hobson Inc (USA)
142/12-142/21 Taylor Hobson Inc (USA)
142/13 PRIMARY Taylor Hobson Inc (USA)
Related Parts
4730-00-229-9230INTERCHANGEABLE
FLANGE,PIPE
8765-8-E
5315-00-447-3560INTERCHANGEABLE
PIN
14213
1660-00-659-8880INTERCHANGEABLE
TUBE,AIR PRESSURE R
PS115590
5985-00-867-1711INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
1061
4820-00-924-2132INTERCHANGEABLE
VALVE,FLOW CONTROL
10105878-6
6650-00-968-5696INTERCHANGEABLE
AUTOCOLLIMATOR,MICROPTIC
TA51
4931-00-994-7119INTERCHANGEABLE
COLLIMATOR,TELESCOPE
D600
4330-01-047-2378INTERCHANGEABLE
FILTER,FLUID
6220-01-127-5421INTERCHANGEABLE
STRIP,NYLON
14213
2590-01-162-6208INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
6650-01-202-0421INTERCHANGEABLE
AUTOCOLLIMATOR
SM-C-806905-1
1005-01-527-7101INTERCHANGEABLE
MOUNT,SIGHT,SMALL ARMS
SP-ACC3246-1

Frequently Asked Questions

What is NSN 6650-01-201-7591?

NSN 6650-01-201-7591 is a Autocollimator, manufactured by Taylor Hobson Inc, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-201-7591?

NSN 6650-01-201-7591 has 7 cross-referenced part numbers: TA51 (Taylor Hobson Ltd), 142/13 (Taylor Hobson Ltd), 142/12-142/76 (Taylor Hobson Inc), 6650-1131-2200 (Defense Supply Center Richmond Industrial Plant Equipment /dla/), TA51 (Taylor Hobson Inc) and 2 more.

What NSN replaces 6650-01-201-7591?

There are 12 known substitutes for 6650-01-201-7591: 4730-00-229-9230, 5315-00-447-3560, 1660-00-659-8880 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 142/13?

Key specifications for 142/13: General Characteristics Item Description: 2.250 IN. HARDENED STEEL BARREL LOCATING LENGTH 7.000 IN.; MIN OVERALL LENGTH OF BARREL 10.500 IN.; DETACHABLE RIGHT ANGLE LAMP HOLDER; HIGH PRECISION RETICLE;MICROMETER EYEPIECE READING DIRECT TO 1/10TH SECOND; 1 DRUM REVOLUTION 30 SEC; 1/2 AND 1 MIN READING TO 10 MINS TOTAL RANGE BY EXTERNAL SCALE; EYEPIECE ROTATION THRU 90 DEG TO GIVE MICROMETER READINGS IN 2 PERPENDICULAR PLANES; EYEPIECE MOUNTED FOR STRAIGHT OR RIGHT ANGLE VIEWING; INCL 4V TRANSFORMER; LEVELING BASE W/ 3 LEWIS PADS V. 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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