PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

157E11-2170Pipe,exhaust

Kurz & Root Generator Company, Llc · NSN 2990-00-678-9816 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-678-9816 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-678-9816. Primary manufacturer part number: 157E11-2170.
Features
  • Pipe,exhaust — FSC 2990
  • 4 verified cross-references
  • Primary manufacturer: Kurz & Root Generator Company, Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-00-678-9816, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Kurz & Root Generator Company, Llc. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 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)
ManufacturersDonaldson Company, Inc. (CAGE 18265); Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (CAGE 93742); Kurz & Root Generator Company, Llc (CAGE 75377)
Technical Specifications
ParameterValue
NSN2990-00-678-9816
Primary Part Number157E11-2170
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerKurz & Root Generator Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-363965212 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5935-00-762-0312 INTERCHANGEABLE
Jack,tip
6505-01-238-0884 INTERCHANGEABLE
Alumina,magnesia,and Simethicone
4730-01-269-6595AE99901U INTERCHANGEABLE
Coupling Assembly,quick Disconne
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
1730-01-354-343665212 INTERCHANGEABLE
Plunger,jack
Malabar
5905-01-384-779265212 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5985-01-538-62536521-2 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
Cross-Reference Index
Part NumberManufacturer
PPP02-1120 Donaldson Company, Inc. (USA)
65212 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
P21120 Donaldson Company, Inc. (USA)
157E11-2170 PRIMARY Kurz & Root Generator Company, Llc (USA)
Related Parts
3110-00-100-3639INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
65212
5935-00-762-0312INTERCHANGEABLE
JACK,TIP
6505-01-238-0884INTERCHANGEABLE
ALUMINA,MAGNESIA,AND SIMETHICONE
4730-01-269-6595INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
AE99901U
1730-01-354-3436INTERCHANGEABLE
PLUNGER,JACK
65212
5905-01-384-7792INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
65212
5985-01-538-6253INTERCHANGEABLE
ATTENUATOR,FIXED
6521-2

Frequently Asked Questions

What is NSN 2990-00-678-9816?

NSN 2990-00-678-9816 is a Pipe,exhaust, manufactured by Kurz & Root Generator Company, Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-678-9816?

NSN 2990-00-678-9816 has 4 cross-referenced part numbers: PPP02-1120 (Donaldson Company, Inc.), 65212 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), P21120 (Donaldson Company, Inc.), 157E11-2170 (Kurz & Root Generator Company, Llc).

What NSN replaces 2990-00-678-9816?

There are 7 known substitutes for 2990-00-678-9816: 3110-00-100-3639, 5935-00-762-0312, 6505-01-238-0884 and 4 more. Verify interchangeability with system specifications before substitution.

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