PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18121Damper,exhaust Pipe,diesel Engin

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 2990-01-509-3087 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-509-3087 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-509-3087. Primary manufacturer part number: 18121.
Features
  • Damper,exhaust Pipe,diesel Engin — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Damper,exhaust Pipe,diesel Engin, cataloged under National Stock Number 2990-01-509-3087, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-509-3087
Primary Part Number18121
Item NameDamper,exhaust Pipe,diesel Engin
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3510-00-172-375218121 INTERCHANGEABLE
Pad,laundry Press,commercial
Forenta Lp
2520-00-495-708818-12-1 INTERCHANGEABLE
Interlock
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5950-00-538-3386 INTERCHANGEABLE
Transformer,power
5120-00-869-0201 INTERCHANGEABLE
Wrench
5133-01-095-6618 INTERCHANGEABLE
Drill,twist
6525-01-587-3119KT-293 INTERCHANGEABLE
Cycle Counter,x-Ray
Kessler-Ellis Products Co
5930-01-617-263518121 INTERCHANGEABLE
Switch,thermostatic
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
Cross-Reference Index
Part NumberManufacturer
18121 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
3510-00-172-3752INTERCHANGEABLE
PAD,LAUNDRY PRESS,COMMERCIAL
18121
2520-00-495-7088INTERCHANGEABLE
INTERLOCK
18-12-1
5950-00-538-3386INTERCHANGEABLE
TRANSFORMER,POWER
5120-00-869-0201INTERCHANGEABLE
WRENCH
5133-01-095-6618INTERCHANGEABLE
DRILL,TWIST
6525-01-587-3119INTERCHANGEABLE
CYCLE COUNTER,X-RAY
KT-293
5930-01-617-2635INTERCHANGEABLE
SWITCH,THERMOSTATIC
18121

Frequently Asked Questions

What is NSN 2990-01-509-3087?

NSN 2990-01-509-3087 is a Damper,exhaust Pipe,diesel Engin, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-509-3087?

NSN 2990-01-509-3087 has 1 cross-referenced part number: 18121 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 2990-01-509-3087?

There are 7 known substitutes for 2990-01-509-3087: 3510-00-172-3752, 2520-00-495-7088, 5950-00-538-3386 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18121?

Key specifications for 18121: End Item Identification: USED ON STANADYNE DIESEL FUEL INJECTION PUMP. 1 total characteristics are documented in the Federal Logistics Information System.

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