PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6487936Valve,positive Crankcase Ventila

General Motors Llc Dba General Motors Llc · NSN 2990-01-047-3647 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-047-3647 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-047-3647. Primary manufacturer part number: 6487936.
Features
  • Valve,positive Crankcase Ventila — FSC 2990
  • Body Material: STEEL
  • 8 verified cross-references
  • Primary manufacturer: General Motors Llc Dba General Motors Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,positive Crankcase Ventila, cataloged under National Stock Number 2990-01-047-3647, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-047-3647
Primary Part Number6487936
Item NameValve,positive Crankcase Ventila
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Body MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3010-00-213-619288242 INTERCHANGEABLE
Gear Assembly,speed Decreaser
Cae Usa Inc.
5905-00-581-6187 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5330-00-601-0198 INTERCHANGEABLE
Packing with Retainer
2815-01-281-0834T212336 INTERCHANGEABLE
Valve,poppet,engine
Fairbanks Morse, Llc
6150-01-364-868029-209 INTERCHANGEABLE
Wiring Harness,branched
Celtech Corporation
4710-01-706-3818 INTERCHANGEABLE
Tubing,nonmetallic
Cross-Reference Index
Part NumberManufacturer
882-42 Brod and Mcclung - Pace Co (USA)
2-9209 Napa Automotive Parts Co (USA)
6487936 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
PV-685 Trw Inc Trw Intl Trade Government Sales Dept (USA)
6487935 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
PCV209 Borg-Warner Corp Automotive Parts Div (USA)
6487936 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
6487936 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
3010-00-213-6192INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
88242
5905-00-581-6187INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5330-00-601-0198INTERCHANGEABLE
PACKING WITH RETAINER
2815-01-281-0834INTERCHANGEABLE
VALVE,POPPET,ENGINE
T212336
6150-01-364-8680INTERCHANGEABLE
WIRING HARNESS,BRANCHED
29-209
4710-01-706-3818INTERCHANGEABLE
TUBING,NONMETALLIC

Frequently Asked Questions

What is NSN 2990-01-047-3647?

NSN 2990-01-047-3647 is a Valve,positive Crankcase Ventila, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-047-3647?

NSN 2990-01-047-3647 has 8 cross-referenced part numbers: 882-42 (Brod and Mcclung - Pace Co), 2-9209 (Napa Automotive Parts Co), 6487936 (General Motors Corp Chevrolet Motor Div Special Products Dept), PV-685 (Trw Inc Trw Intl Trade Government Sales Dept), 6487935 (General Motors Corp Chevrolet Motor Div Special Products Dept) and 3 more.

What NSN replaces 2990-01-047-3647?

There are 6 known substitutes for 2990-01-047-3647: 3010-00-213-6192, 5905-00-581-6187, 5330-00-601-0198 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6487936?

Key specifications for 6487936: Body Material: STEEL. 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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