PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1604-78Plug,protective,dust and Moistur

General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp · NSN 5340-00-290-7234 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-290-7234 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-290-7234. Primary manufacturer part number: 1604-78.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Features Provided: SHOULDER
  • Thread Class: 3A A
  • Thread Size and Series/type Designator: 9/16-18 UNF
  • Drive Type: SCREW SLOT
  • Design Type: THREADED
  • Material: PLASTIC
  • Overall Diameter: 0.813 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-00-290-7234, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-290-7234
Primary Part Number1604-78
Item NamePlug,protective,dust and Moistur
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerGeneral Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp
StatusCANCELLED
Features ProvidedSHOULDER
Thread Class3A A
Thread Size and Series/type Designator9/16-18 UNF
Drive TypeSCREW SLOT
Design TypeTHREADED
MaterialPLASTIC
Overall Diameter0.813 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-264-120328901-17 SUCCESSOR
Cap-Plug,protective,dust and Moi
Triumph Engine Control Systems Llc
Cap-Plug,protective,dust and Moi
5340-00-290-722357A SUCCESSOR
Cap-Plug,protective,dust and Moi
Caplugs Llc Dba Mokon Div Caplugs
Cap-Plug,protective,dust and Moi
5340-00-290-72496735707-23 SUCCESSOR
Cap-Plug,protective,dust and Moi
Allison Transmission Inc Dba Allison Transmission, Inc
5340-00-290-725115 SUCCESSOR
Cap-Plug,protective,dust and Moi
Allison Transmission Inc Dba Allison Transmission, Inc
Cap-Plug,protective,dust and Moi
5340-00-597-45433-X SUCCESSOR
Cap-Plug,protective,dust and Moi
Caplugs Llc Dba Mokon Div Caplugs
5340-01-104-0373NAS834-33 SUCCESSOR
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-113-0878NAS834-11 SUCCESSOR
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
1604-78 Pennwalt Corp S S White Industrial Products Div (USA)
1604-78 PRIMARY General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA)
323-54A Donallco Inc (USA)
2635165 Unison Industries Llc (USA)
MILC52078 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
626595 PRIMARY Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
1296631-2 PRIMARY Honeywell Intl Inc Defense Avionics Systems (USA)
1604-78Y Pennwalt Corp S S White Industrial Products Div (USA)
7969870 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2635165 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
MP-78 Robroy Industries Inc Robroy Plastics Div (USA)
10105878-31 Us Army Aviation and Missile Command (USA)
5340H21009-78 PRIMARY Us Army Aviation and Missile Command (USA)
323-54A PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
5340PL1879039 Jednolity Indeks Materialowy - Uniform Material Index (POL)
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5340-00-290-7249SUCCESSOR
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6735707-23
5340-00-290-7251SUCCESSOR
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15
5340-00-290-7263SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-00-597-4543SUCCESSOR
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3-X
5340-01-104-0373SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS834-33
5340-01-113-0878SUCCESSOR
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NAS834-11
5340-01-139-9162SUCCESSOR
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5340-01-237-2903SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI

Frequently Asked Questions

What is NSN 5340-00-290-7234?

NSN 5340-00-290-7234 is a Plug,protective,dust and Moistur, manufactured by General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-290-7234?

NSN 5340-00-290-7234 has 15 cross-referenced part numbers: 1604-78 (Pennwalt Corp S S White Industrial Products Div), 1604-78 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp), 323-54A (Donallco Inc), 2635165 (Unison Industries Llc), MILC52078 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 10 more.

What NSN replaces 5340-00-290-7234?

There are 12 known substitutes for 5340-00-290-7234: 5340-00-264-1203, 5340-00-264-1208, 5340-00-290-7223 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1604-78?

Key specifications for 1604-78: Features Provided: SHOULDER; Thread Class: 3A A; Thread Size and Series/type Designator: 9/16-18 UNF; Drive Type: SCREW SLOT. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-290-7234 still in active supply?

NSN 5340-00-290-7234 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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