PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66081Pipe,exhaust

Tld Ace Corp Div Tld Ace · NSN 2990-01-253-7404 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-253-7404 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-253-7404. Primary manufacturer part number: 66081.
Features
  • Pipe,exhaust — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Tld Ace Corp Div Tld Ace
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-01-253-7404, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Tld Ace Corp Div Tld Ace. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePipe,exhaust
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersTld Ace Corp Div Tld Ace (CAGE 00365)
Technical Specifications
ParameterValue
NSN2990-01-253-7404
Primary Part Number66081
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerTld Ace Corp Div Tld Ace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6210-00-243-62236608-1 INTERCHANGEABLE
Light,indicator
Danfoss Inc
5310-00-281-983569510-71 INTERCHANGEABLE
Nut,self-Locking,hexagon
Hamilton Sundstrand Corporation Dba Collins Aerospace
5330-01-264-353566-081 INTERCHANGEABLE
Seal,plain Encased
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
66081 PRIMARY Tld Ace Corp Div Tld Ace (USA)
Related Parts
6210-00-243-6223INTERCHANGEABLE
LIGHT,INDICATOR
6608-1
5310-00-281-9835INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
69510-71
5330-01-264-3535INTERCHANGEABLE
SEAL,PLAIN ENCASED
66-081

Frequently Asked Questions

What is NSN 2990-01-253-7404?

NSN 2990-01-253-7404 is a Pipe,exhaust, manufactured by Tld Ace Corp Div Tld Ace, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-253-7404?

NSN 2990-01-253-7404 has 1 cross-referenced part number: 66081 (Tld Ace Corp Div Tld Ace).

What NSN replaces 2990-01-253-7404?

There are 3 known substitutes for 2990-01-253-7404: 6210-00-243-6223, 5310-00-281-9835, 5330-01-264-3535. Verify interchangeability with system specifications before substitution.

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