PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78-70Silencer

Dresser Industries Inc Leroi Div · NSN 2990-00-424-5585 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-424-5585 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-424-5585. Primary manufacturer part number: 78-70.
Features
  • Silencer — FSC 2990
  • General Characteristics Item Description: STEEL,0.060 IN THK,2.625 IN. OD,32 0.375 IN. DIA HOLES,5.000 IN. LG IN
  • 1 verified cross-reference
  • Primary manufacturer: Dresser Industries Inc Leroi Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Silencer, cataloged under National Stock Number 2990-00-424-5585, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-424-5585
Primary Part Number78-70
Item NameSilencer
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
General Characteristics Item DescriptionSTEEL,0.060 IN THK,2.625 IN. OD,32 0.375 IN. DIA HOLES,5.000 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-741-84517870 INTERCHANGEABLE
Pulley
Alter Harry Co the Div of T E C
3120-00-766-98997870 INTERCHANGEABLE
Bushing,sleeve
Goodrich Corporation
5950-00-911-60147870 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
4240-01-160-56188702 INTERCHANGEABLE
Fire Starting Tool,magnesium
Doan Machinery & Equipment Co Inc
5962-01-179-8118 INTERCHANGEABLE
Microcircuit,digital
4710-01-249-6652787-0 INTERCHANGEABLE
Tube Assembly,metal
Tcm America, Inc Sc
Cross-Reference Index
Part NumberManufacturer
78-70 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
3020-00-741-8451INTERCHANGEABLE
PULLEY
7870
3120-00-766-9899INTERCHANGEABLE
BUSHING,SLEEVE
7870
5950-00-911-6014INTERCHANGEABLE
COIL,RADIO FREQUENCY
7870
4240-01-160-5618INTERCHANGEABLE
FIRE STARTING TOOL,MAGNESIUM
8702
5962-01-179-8118INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4710-01-249-6652INTERCHANGEABLE
TUBE ASSEMBLY,METAL
787-0

Frequently Asked Questions

What is NSN 2990-00-424-5585?

NSN 2990-00-424-5585 is a Silencer, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-424-5585?

NSN 2990-00-424-5585 has 1 cross-referenced part number: 78-70 (Dresser Industries Inc Leroi Div).

What NSN replaces 2990-00-424-5585?

There are 6 known substitutes for 2990-00-424-5585: 3020-00-741-8451, 3120-00-766-9899, 5950-00-911-6014 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78-70?

Key specifications for 78-70: General Characteristics Item Description: STEEL,0.060 IN THK,2.625 IN. OD,32 0.375 IN. DIA HOLES,5.000 IN. LG IN. 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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