PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

615721Contact Positioner,terminal Crim

Astro Tool Corp. · NSN 5120-00-017-3742 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-017-3742 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-017-3742. Primary manufacturer part number: 615721.
Features
  • Contact Positioner,terminal Crim — FSC 5120
  • Nondefinitive Spec/std Data: -22520/2-05 PART
  • Specification/standard Data: 0U583-SAE AS22520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Contact Size for Which Designed: M21097/9-01
  • Tool Type for Which Designed: HAND
  • 12 verified cross-references
  • Primary manufacturer: Astro Tool Corp.
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Contact Positioner,terminal Crim, cataloged under National Stock Number 5120-00-017-3742, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Astro Tool Corp.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 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
NSN5120-00-017-3742
Primary Part Number615721
Item NameContact Positioner,terminal Crim
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAstro Tool Corp.
StatusACTIVE
Nondefinitive Spec/std Data-22520/2-05 PART
Specification/standard Data0U583-SAE AS22520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Contact Size for Which DesignedM21097/9-01
Tool Type for Which DesignedHAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-097-6872615721 INTERCHANGEABLE
Bolt,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3110-00-142-4280 INTERCHANGEABLE
Bearing,ball,airframe
3120-00-159-7148MS17795-120 INTERCHANGEABLE
Bearing,sleeve
American Society for Testing and Materials Dba Astm International
6610-00-179-90331701DX8-04 INTERCHANGEABLE
Indicator,air Speed
Elbitamerica, Inc.
3460-00-264-55803SERIES INTERCHANGEABLE
Key,drill Chuck
Jacobs Mfg Co the
2590-00-345-8793K3 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Layton Manufacturing Co.
4310-00-393-6261A7-400 INTERCHANGEABLE
Connecting Rod,piston
Rix Industries
5310-00-440-9265 INTERCHANGEABLE
Washer,recessed
2520-00-495-6074 INTERCHANGEABLE
Parts Kit,friction Clutch
5945-00-509-4924ST5M1272-002 INTERCHANGEABLE
Retainer,electrical Relay
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
615721 Astro Tool Corp. (USA)
VG95236-T103 Baainbw Verteidigungsgerate-Normen (vg) (DEU)
K3 Oceta (FRA)
MIL-C-22520/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M22520/2-05 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-22520 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M22520/2-05 General Services Administration Federal Supply Service (USA)
K3 Daniels Manufacturing Corporation (USA)
22-105 Daniels Manufacturing Corporation (USA)
K3 Fct-Electronic Gmbh (DEU)
AS22520 Sae International Dba Sae International (USA)
AS22520/2-05 Sae International Dba Sae International (USA)
Related Parts
5306-00-097-6872INTERCHANGEABLE
BOLT,MACHINE
615721
3110-00-142-4280INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3120-00-159-7148INTERCHANGEABLE
BEARING,SLEEVE
MS17795-120
6610-00-179-9033INTERCHANGEABLE
INDICATOR,AIR SPEED
1701DX8-04
3460-00-264-5580INTERCHANGEABLE
KEY,DRILL CHUCK
3SERIES
2590-00-345-8793INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
K3
4310-00-393-6261INTERCHANGEABLE
CONNECTING ROD,PISTON
A7-400
5310-00-440-9265INTERCHANGEABLE
WASHER,RECESSED
2520-00-495-6074INTERCHANGEABLE
PARTS KIT,FRICTION CLUTCH
5945-00-509-4924INTERCHANGEABLE
RETAINER,ELECTRICAL RELAY
ST5M1272-002
6625-00-693-3750INTERCHANGEABLE
INDICATOR,PHASE SEQUENCE
44030
5950-00-728-3633INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5120-00-017-3742?

NSN 5120-00-017-3742 is a Contact Positioner,terminal Crim, manufactured by Astro Tool Corp., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-017-3742?

NSN 5120-00-017-3742 has 12 cross-referenced part numbers: 615721 (Astro Tool Corp.), VG95236-T103 (Baainbw Verteidigungsgerate-Normen (vg)), K3 (Oceta), MIL-C-22520/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M22520/2-05 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 5120-00-017-3742?

There are 12 known substitutes for 5120-00-017-3742: 5306-00-097-6872, 3110-00-142-4280, 3120-00-159-7148 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 615721?

Key specifications for 615721: Nondefinitive Spec/std Data: -22520/2-05 PART; Specification/standard Data: 0U583-SAE AS22520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Contact Size for Which Designed: M21097/9-01; Tool Type for Which Designed: HAND. 4 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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