PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

12559336Thermostat,flow Control

Name: 12559336
SKU: 6685-01-437-6799

General Motors Corp Chevrolet Motors Div · NSN 6685-01-437-6799 · FSC 6685 · No Item Name Available

Verified by PartsTable

NSN 6685-01-437-6799 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-437-6799. Primary manufacturer part number: 12559336.

6685-01-437-6799 — No Item Name Available illustration

Features

Thermostat,flow Control — FSC 6685
6 verified cross-references
Primary manufacturer: General Motors Corp Chevrolet Motors Div

Applications

Industrial maintenance and repair
Government and military logistics
Equipment overhaul and refurbishment

General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-01-437-6799, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Motors Corp Chevrolet Motors Div. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6685-01-437-6799
Primary Part Number	12559336
Item Name	Thermostat,flow Control
FSC / FSG	6685 / 66 — No Item Name Available
Manufacturer	General Motors Corp Chevrolet Motors Div
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 5

5120-00-403-7285131103 INTERCHANGEABLE

Injector

Cummins Inc.

5950-00-646-1059 INTERCHANGEABLE

Coil,radio Frequency

4820-00-954-606213110-3 INTERCHANGEABLE

Valve,restrictor Check

Saf Industries Llc Dba Saf Industries Llc Div Garkenyon

2510-01-152-9174 INTERCHANGEABLE

Door,vehicular

5340-01-617-534512554977 INTERCHANGEABLE

Cover,access

U S Army Tank Automotive Command Amsta-Im-Mm

Cross-Reference Index

Part Number	Manufacturer
12559336	General Motors Corp Chevrolet Motors Div (USA)
12554977	General Motors Corp (USA)
12559336	West Midland American Vehicles Ltd (GBR)
131-103	General Motors Corp AC-Delco Div Government Order Dept (USA)
12559336	General Motors Llc Dba General Motors Llc (USA)
12559336	General Motors Corp (USA)

Related Parts

5120-00-403-7285INTERCHANGEABLE

INJECTOR

131103

5950-00-646-1059INTERCHANGEABLE

COIL,RADIO FREQUENCY

4820-00-954-6062INTERCHANGEABLE

VALVE,RESTRICTOR CHECK

13110-3

2510-01-152-9174INTERCHANGEABLE

DOOR,VEHICULAR

5340-01-617-5345INTERCHANGEABLE

COVER,ACCESS

12554977

Frequently Asked Questions

What is NSN 6685-01-437-6799?

NSN 6685-01-437-6799 is a Thermostat,flow Control, manufactured by General Motors Corp Chevrolet Motors Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-437-6799?

NSN 6685-01-437-6799 has 6 cross-referenced part numbers: 12559336 (General Motors Corp Chevrolet Motors Div), 12554977 (General Motors Corp), 12559336 (West Midland American Vehicles Ltd), 131-103 (General Motors Corp AC-Delco Div Government Order Dept), 12559336 (General Motors Llc Dba General Motors Llc) and 1 more.

What NSN replaces 6685-01-437-6799?

There are 5 known substitutes for 6685-01-437-6799: 5120-00-403-7285, 5950-00-646-1059, 4820-00-954-6062 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12559336?

Key specifications for 12559336: End Item Identification: TRUCK,CARGO. 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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