PartsTable TECHNICAL DATA SHEET
NSN 2990-01-662-7328Government record, cited

Extension2990-01-662-7328

NSN 2990-01-662-7328 · NIIN 016627328 · Part number T418644
Perkins Engines Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 13446
Government record, cited
NSN 2990-01-662-7328 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-662-7328. Manufacturer of record part number: T418644.
Also searched as  2990-01-662-7328 · 2990016627328 · NIIN 016627328 · 01-662-7328 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 13446 · T418644 · 3748W242 · 3748W242
Nearby stock numbers  ·
Features
  • Extension — FSC 2990
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Perkins Engines Inc
Identification
  • NSN: 2990-01-662-7328
  • NIIN: 016627328
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: T418644
  • Manufacturer: Perkins Engines Inc
General Description

The Extension, cataloged under National Stock Number 2990-01-662-7328, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Perkins Engines Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-662-7328
Primary Part NumberT418644
Item NameExtension
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerPerkins Engines Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
3748W242 Liftking Manufacturing Corp (CAN)
T418644 PRIMARY Perkins Engines Inc (USA)
Reference documents
ReferenceMeaning
3748W242 5/9 Secondary reference
Perkins Engines Inc
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-096-8607
CONTROL ASSEMBLY,PUSH-PULL
2990-00-390-3445
CRANK,HAND,VEHICULAR
2990-00-459-7255
MUFFLER,EXHAUST
2990-00-459-7255
MUFFLER,EXHAUST
2990-00-536-2962
BLOCK,ADJUSTING SCREW
2990-00-903-8226
MUFFLER,EXHAUST
2990-01-151-5443
CONNECTOR,EXHAUST PIPE
2990-01-151-5443
CONNECTOR,EXHAUST PIPE

Frequently Asked Questions

What is NSN 2990-01-662-7328?

NSN 2990-01-662-7328 is a Extension, manufactured by Perkins Engines Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-662-7328?

NSN 2990-01-662-7328 has 2 manufacturer part numbers on file: 3748W242 (Liftking Manufacturing Corp), T418644 (Perkins Engines Inc).

What are the specifications of T418644?

Key specifications for T418644: End Item Identification: ENGINE GROUP. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-662-7328 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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