PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1237Extension,lead Unshielded

Mission Systems Davenport Inc. · NSN 4920-00-494-7536 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-494-7536 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-494-7536. Primary manufacturer part number: 1237.
Features
  • Extension,lead Unshielded — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Mission Systems Davenport Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Extension,lead Unshielded, cataloged under National Stock Number 4920-00-494-7536, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Mission Systems Davenport Inc.. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4920-00-494-7536
Primary Part Number1237
Item NameExtension,lead Unshielded
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerMission Systems Davenport Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-060-2577 INTERCHANGEABLE
Heating Unit,electric Soldering
5990-00-111-860112-37 INTERCHANGEABLE
Synchro,control Transformer
Carbonara Labs Inc
6210-00-249-4581 INTERCHANGEABLE
Lens,light
2520-00-766-22591669326 INTERCHANGEABLE
Clutch Assembly,friction
Chrysler Realty Company Llc Dba Daimler Chrysler
5930-00-883-6684684-536-9101 INTERCHANGEABLE
Switch,pressure
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
3110-00-899-2952 INTERCHANGEABLE
Retainer,ball,bearing
5945-00-907-3187414863-2 INTERCHANGEABLE
Relay,solid State
Raytheon Company Dba Raytheon
5895-01-129-8465182D1011-9 INTERCHANGEABLE
Panel,indicator
West Electronics Inc
5975-01-139-38601237 INTERCHANGEABLE
Bushing,strain Relief,cable
Heyco Inc Dba Heyco Products
6515-01-156-3390 INTERCHANGEABLE
Surgical Pack,disposable
Cross-Reference Index
Part NumberManufacturer
1237 PRIMARY Mission Systems Davenport Inc. (USA)
Related Parts
3439-00-060-2577INTERCHANGEABLE
HEATING UNIT,ELECTRIC SOLDERING
5990-00-111-8601INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
12-37
6210-00-249-4581INTERCHANGEABLE
LENS,LIGHT
2520-00-766-2259INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
1669326
5930-00-883-6684INTERCHANGEABLE
SWITCH,PRESSURE
684-536-9101
3110-00-899-2952INTERCHANGEABLE
RETAINER,BALL,BEARING
5945-00-907-3187INTERCHANGEABLE
RELAY,SOLID STATE
414863-2
5895-01-129-8465INTERCHANGEABLE
PANEL,INDICATOR
182D1011-9
5975-01-139-3860INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
1237
6515-01-156-3390INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE
4820-01-227-1001INTERCHANGEABLE
VALVE,CHECK
123A-7PL4355
5930-01-303-8535INTERCHANGEABLE
SWITCH,ROTARY
10384

Frequently Asked Questions

What is NSN 4920-00-494-7536?

NSN 4920-00-494-7536 is a Extension,lead Unshielded, manufactured by Mission Systems Davenport Inc., classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-494-7536?

NSN 4920-00-494-7536 has 1 cross-referenced part number: 1237 (Mission Systems Davenport Inc.).

What NSN replaces 4920-00-494-7536?

There are 12 known substitutes for 4920-00-494-7536: 3439-00-060-2577, 5990-00-111-8601, 6210-00-249-4581 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1237?

Key specifications for 1237: End Item Identification: U/O TF20-1 TEST SET. 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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