PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2630Tube Assy

Stewart & Stevenson Power Products Llc · NSN 2990-00-609-5121 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-609-5121 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-609-5121. Primary manufacturer part number: 2630.
Features
  • Tube Assy — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Stewart & Stevenson Power Products Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tube Assy, cataloged under National Stock Number 2990-00-609-5121, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Stewart & Stevenson Power Products Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTube Assy
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersStewart & Stevenson Power Products Llc (CAGE 81381)
Technical Specifications
ParameterValue
NSN2990-00-609-5121
Primary Part Number2630
Item NameTube Assy
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerStewart & Stevenson Power Products Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2810-00-118-72862630 INTERCHANGEABLE
Liner,bearing
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5935-00-646-6342 INTERCHANGEABLE
Backshell,electrical Connector
6625-00-761-6670 INTERCHANGEABLE
Lead,test
5975-00-937-90062630 INTERCHANGEABLE
Connector
Carlisle & Finch Co
5905-01-099-44912630 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
6510-01-173-24112630 INTERCHANGEABLE
Pad,breast
Cardinal Health 200, Llc
5331-01-276-0761199-24-03APC2 INTERCHANGEABLE
O-Ring
Leslie Controls, Inc. Dba Leslie Controls Inc
6750-01-380-1199 INTERCHANGEABLE
Paper,photographic
4810-01-460-04162630-000 INTERCHANGEABLE
Plunger,override
Graham-White Manufacturing Co Div Graham-White Manufacturing Co. Inc.
3940-01-528-05222630 INTERCHANGEABLE
Block and Tackle
Harken Inc
Cross-Reference Index
Part NumberManufacturer
2630 PRIMARY Stewart & Stevenson Power Products Llc (USA)
Related Parts
2810-00-118-7286INTERCHANGEABLE
LINER,BEARING
2630
5935-00-646-6342INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
6625-00-761-6670INTERCHANGEABLE
LEAD,TEST
5975-00-937-9006INTERCHANGEABLE
CONNECTOR
2630
5905-01-099-4491INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2630
6510-01-173-2411INTERCHANGEABLE
PAD,BREAST
2630
5331-01-276-0761INTERCHANGEABLE
O-RING
199-24-03APC2
6750-01-380-1199INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
4810-01-460-0416INTERCHANGEABLE
PLUNGER,OVERRIDE
2630-000
3940-01-528-0522INTERCHANGEABLE
BLOCK AND TACKLE
2630
6515-01-590-8613INTERCHANGEABLE
LICENSE,SOFTWARE,PULSE OXIMETER
2630

Frequently Asked Questions

What is NSN 2990-00-609-5121?

NSN 2990-00-609-5121 is a Tube Assy, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-609-5121?

NSN 2990-00-609-5121 has 1 cross-referenced part number: 2630 (Stewart & Stevenson Power Products Llc).

What NSN replaces 2990-00-609-5121?

There are 11 known substitutes for 2990-00-609-5121: 2810-00-118-7286, 5935-00-646-6342, 6625-00-761-6670 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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