PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20951Arrester,spark Exhaust

Mark Industries · NSN 2990-01-266-1250 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-266-1250 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-266-1250. Primary manufacturer part number: 20951.
Features
  • Arrester,spark Exhaust — FSC 2990
  • 2 verified cross-references
  • Primary manufacturer: Mark Industries
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Arrester,spark Exhaust, cataloged under National Stock Number 2990-01-266-1250, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Mark Industries. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameArrester,spark Exhaust
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersLister Petter Americas Incorporated (CAGE 97947); Mark Industries (CAGE 60178)
Technical Specifications
ParameterValue
NSN2990-01-266-1250
Primary Part Number20951
Item NameArrester,spark Exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerMark Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2940-00-076-2597136500 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
3110-00-100-7330170739A INTERCHANGEABLE
Bearing,roller,cylindrical
Skf Usa Inc.
2530-00-521-4981F967 INTERCHANGEABLE
Boot,vehicular Components
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5940-00-577-3950RA881F INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
2920-01-117-325120951 INTERCHANGEABLE
Lead,ignition,engine
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4320-01-221-156420951 PIECE 8 INTERCHANGEABLE
Ring,lantern
Skf Usa Inc.
5930-01-253-151520951 INTERCHANGEABLE
Switch,pressure
Alter Harry Co the Div of T E C
4730-01-517-1407C20951 INTERCHANGEABLE
Elbow,hose
Hydrasearch Company, Llc
5110-01-644-434620951AMP INTERCHANGEABLE
Die,metal Stamping,hand
Hanson, C H Company, the
6635-01-735-4730209.51 INTERCHANGEABLE
Test Set,soil
Ams, Inc
Cross-Reference Index
Part NumberManufacturer
02703646 Lister Petter Americas Incorporated (USA)
20951 PRIMARY Mark Industries (USA)
Related Parts
2940-00-076-2597INTERCHANGEABLE
FILTER ELEMENT,FLUID
136500
3110-00-100-7330INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
170739A
2530-00-521-4981INTERCHANGEABLE
BOOT,VEHICULAR COMPONENTS
F967
5940-00-577-3950INTERCHANGEABLE
TERMINAL,LUG
RA881F
2920-01-117-3251INTERCHANGEABLE
LEAD,IGNITION,ENGINE
20951
4320-01-221-1564INTERCHANGEABLE
RING,LANTERN
20951 PIECE 8
5930-01-253-1515INTERCHANGEABLE
SWITCH,PRESSURE
20951
4730-01-517-1407INTERCHANGEABLE
ELBOW,HOSE
C20951
5110-01-644-4346INTERCHANGEABLE
DIE,METAL STAMPING,HAND
20951AMP
6635-01-735-4730INTERCHANGEABLE
TEST SET,SOIL
209.51

Frequently Asked Questions

What is NSN 2990-01-266-1250?

NSN 2990-01-266-1250 is a Arrester,spark Exhaust, manufactured by Mark Industries, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-266-1250?

NSN 2990-01-266-1250 has 2 cross-referenced part numbers: 02703646 (Lister Petter Americas Incorporated), 20951 (Mark Industries).

What NSN replaces 2990-01-266-1250?

There are 10 known substitutes for 2990-01-266-1250: 2940-00-076-2597, 3110-00-100-7330, 2530-00-521-4981 and 7 more. Verify interchangeability with system specifications before substitution.

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