PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

800021Transit,pocket

Keuffel and Esser Co · NSN 6675-00-641-3547 · FSC 6675 · No Item Name Available
Verified by PartsTable
NSN 6675-00-641-3547 — this item is cataloged by the U.S. Government under National Stock Number 6675-00-641-3547. Primary manufacturer part number: 800021.
Features
  • Transit,pocket — FSC 6675
  • Reading Facility Unit of Measure Inscription: DEGREES
  • Nondefinitive Spec/std Data: II TYPE
  • Features Provided: VERNIER INDEX AND CASE
  • 4 verified cross-references
  • Primary manufacturer: Keuffel and Esser Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transit,pocket, cataloged under National Stock Number 6675-00-641-3547, is classified within Federal Supply Class 6675 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Keuffel and Esser Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN6675-00-641-3547
Primary Part Number800021
Item NameTransit,pocket
FSC / FSG6675 / 66 — No Item Name Available
ManufacturerKeuffel and Esser Co
StatusCANCELLED
Reading Facility Unit of Measure InscriptionDEGREES
Nondefinitive Spec/std DataII TYPE
Features ProvidedVERNIER INDEX AND CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5315-00-049-3705 INTERCHANGEABLE
Pin,lock
5330-00-086-9819B592-20 INTERCHANGEABLE
Gasket
L3 Technologies, Inc. Div L3 Keo
5930-00-108-5371S6618 INTERCHANGEABLE
Switch,push-Pull
Edro Corporation, the Dba Edro Corp
3110-00-155-8432 INTERCHANGEABLE
Bearing,ball,annular
6675-00-171-5159 INTERCHANGEABLE
Jacob's Staff
6675-00-223-7066 INTERCHANGEABLE
Compass,magnetic,surveyor's
6105-00-327-39816618 INTERCHANGEABLE
Motor,alternating Current
Instruments and Flight Research, Inc.
6620-00-334-7003F2000 INTERCHANGEABLE
Gear Train Drive
Ametek Inc Div Aerospace and Defense
5985-00-389-7389 INTERCHANGEABLE
Antenna Control Subassembly
1680-00-485-911080-002-1 INTERCHANGEABLE
Insert,solid,rod En
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
800021 Keuffel and Esser Co (USA)
GGC560 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
F2000 Brunton D a Co Inc (USA)
6618 Dietzgen Corp (USA)
Related Parts
5315-00-049-3705INTERCHANGEABLE
PIN,LOCK
5330-00-086-9819INTERCHANGEABLE
GASKET
B592-20
5930-00-108-5371INTERCHANGEABLE
SWITCH,PUSH-PULL
S6618
3110-00-155-8432INTERCHANGEABLE
BEARING,BALL,ANNULAR
6675-00-171-5159INTERCHANGEABLE
JACOB'S STAFF
6675-00-223-7066INTERCHANGEABLE
COMPASS,MAGNETIC,SURVEYOR'S
6105-00-327-3981INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6618
6620-00-334-7003INTERCHANGEABLE
GEAR TRAIN DRIVE
F2000
5985-00-389-7389INTERCHANGEABLE
ANTENNA CONTROL SUBASSEMBLY
1680-00-485-9110INTERCHANGEABLE
INSERT,SOLID,ROD EN
80-002-1
4940-00-555-2073INTERCHANGEABLE
DEGREASER
F2000
6675-00-641-5735INTERCHANGEABLE
TRANSIT,POCKET

Frequently Asked Questions

What is NSN 6675-00-641-3547?

NSN 6675-00-641-3547 is a Transit,pocket, manufactured by Keuffel and Esser Co, classified under FSC 6675 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6675-00-641-3547?

NSN 6675-00-641-3547 has 4 cross-referenced part numbers: 800021 (Keuffel and Esser Co), GGC560 (Federal Specifications Promulgated by General Services Administration Washington DC), F2000 (Brunton D a Co Inc), 6618 (Dietzgen Corp).

What NSN replaces 6675-00-641-3547?

There are 12 known substitutes for 6675-00-641-3547: 5315-00-049-3705, 5330-00-086-9819, 5930-00-108-5371 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 800021?

Key specifications for 800021: Reading Facility Unit of Measure Inscription: DEGREES; Special Features: COMPASS SCALE GRADUATED 0 TO 90 DEG.; 1 DEG. SMALLEST INCREMENT; CLINOMETER SCALE GRADUATED 0 TO 90 DEG. EA. ELEVATION AND DEPRESSION; 1 DEG. SMALLEST INCREMENT; 5 MIN. SMALLEST GRADUATION; 0 TO 100 PCT EA. ELEVATION AND DEPRESSION; DEPARTURE FROM CITED DESIGNATOR:AS MODIFIED BY COMPASS SCALE GRADUATIONS; Nondefinitive Spec/std Data: II TYPE; Features Provided: VERNIER INDEX AND CASE. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6675-00-641-3547 still in active supply?

NSN 6675-00-641-3547 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com