PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SL7437Indicator,liquid Quantity

American Standard Inc Westinghouse Air Brake Co Div · NSN 6680-00-808-2391 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-808-2391 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-808-2391. Primary manufacturer part number: SL7437.
Features
  • Indicator,liquid Quantity — FSC 6680
  • Contact Quantity: 2
  • Current Type: DC
  • Electrical Connection Quantity: 2
  • Contact Type: THREADED STUD
  • Electrical Connection Identifying Number: 10-32
  • Length: 2.234 INCHES NOMINAL IN
  • Features Provided: RESISTOR TYPE VOLTAGE ADAPTER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,liquid Quantity, cataloged under National Stock Number 6680-00-808-2391, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is American Standard Inc Westinghouse Air Brake Co Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN6680-00-808-2391
Primary Part NumberSL7437
Item NameIndicator,liquid Quantity
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerAmerican Standard Inc Westinghouse Air Brake Co Div
StatusACTIVE
Contact Quantity2
Current TypeDC
Electrical Connection Quantity2
Contact TypeTHREADED STUD
Electrical Connection Identifying Number10-32
Length2.234 INCHES NOMINAL IN
Features ProvidedRESISTOR TYPE VOLTAGE ADAPTER
Illumination Color Generation MethodINTEGRAL LIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4810-00-783-022212690A INTERCHANGEABLE
Valve,solenoid
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3120-00-804-2724B6694-1REVA INTERCHANGEABLE
Bearing
Kaydon Corporation Dba Kaydon Corp
5360-01-067-375912690 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5998-01-325-8592 INTERCHANGEABLE
Circuit Card Assembly
5998-01-326-2513 INTERCHANGEABLE
Circuit Card Assembly
5998-01-326-2514 INTERCHANGEABLE
Circuit Card Assembly
4720-01-502-4274 INTERCHANGEABLE
Hose Assembly,nonmetallic
5995-01-660-229212690 INTERCHANGEABLE
Cable Assembly,power,electrical
Gatr Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
SL7437 American Standard Inc Westinghouse Air Brake Co Div (USA)
12690A Liftec Inc Div Liftec, Inc. (USA)
12690 Liftec Inc Div Liftec, Inc. (USA)
Related Parts
4810-00-783-0222INTERCHANGEABLE
VALVE,SOLENOID
12690A
3120-00-804-2724INTERCHANGEABLE
BEARING
B6694-1REVA
5360-01-067-3759INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12690
5998-01-325-8592INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5998-01-326-2513INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5998-01-326-2514INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4720-01-502-4274INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5995-01-660-2292INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
12690

Frequently Asked Questions

What is NSN 6680-00-808-2391?

NSN 6680-00-808-2391 is a Indicator,liquid Quantity, manufactured by American Standard Inc Westinghouse Air Brake Co Div, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-808-2391?

NSN 6680-00-808-2391 has 3 cross-referenced part numbers: SL7437 (American Standard Inc Westinghouse Air Brake Co Div), 12690A (Liftec Inc Div Liftec, Inc.), 12690 (Liftec Inc Div Liftec, Inc.).

What NSN replaces 6680-00-808-2391?

There are 8 known substitutes for 6680-00-808-2391: 4810-00-783-0222, 3120-00-804-2724, 5360-01-067-3759 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SL7437?

Key specifications for SL7437: Contact Quantity: 2; End Item Identification: CRANE,LETOURNEAU-WESTINGHOUSE COMPANY,MODEL MB,TYPE 1A A; Current Type: DC; Electrical Connection Quantity: 2. 9 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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