PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILC5501Plug,protective,dust and Moistur

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-297-1659 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-297-1659 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-297-1659. Primary manufacturer part number: MILC5501.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Nondefinitive Spec/std Data: 3 TYPE AND 6 SIZE
  • Thread Class: 3A A
  • Departure From Cited Designator: AS MODIFIED BY THDS
  • Thread Size and Series/type Designator: 0.562-20 UN
  • Overall Diameter: 1.063 INCHES NOMINAL IN
  • Features Provided: SHOULDER
  • Design Type: THREADED
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-00-297-1659, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-297-1659
Primary Part NumberMILC5501
Item NamePlug,protective,dust and Moistur
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nondefinitive Spec/std Data3 TYPE AND 6 SIZE
Thread Class3A A
Departure From Cited DesignatorAS MODIFIED BY THDS
Thread Size and Series/type Designator0.562-20 UN
Overall Diameter1.063 INCHES NOMINAL IN
Features ProvidedSHOULDER
Design TypeTHREADED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
No Item Name Available
Plug,protective,dust and Moistur
Plug,protective,dust and Moistur
5340-00-514-2434NAS844-12 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-531-4008NAS834-264 SUCCESSOR
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cap,protective,dust and Moisture
5340-00-727-4778CD12 SUCCESSOR
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
5340-01-039-0334NAS834-75 SUCCESSOR
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-039-3978NAS836-6 SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-044-0984NAS844-32 SUCCESSOR
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MILC5501 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-00-205-6943SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-286-4146SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-00-286-4161SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
5340-00-514-2434SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-12
5340-00-531-4008SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS834-264
5340-00-597-4502SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
5340-00-727-4778SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
CD12
5340-01-039-0334SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS834-75
5340-01-039-3978SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS836-6
5340-01-044-0984SUCCESSOR
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-32
5340-01-073-5434SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS845-7
5340-01-146-9729SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR

Frequently Asked Questions

What is NSN 5340-00-297-1659?

NSN 5340-00-297-1659 is a Plug,protective,dust and Moistur, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-297-1659?

NSN 5340-00-297-1659 has 1 cross-referenced part number: MILC5501 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-00-297-1659?

There are 12 known substitutes for 5340-00-297-1659: 5340-00-205-6943, 5340-00-286-4146, 5340-00-286-4161 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILC5501?

Key specifications for MILC5501: Nondefinitive Spec/std Data: 3 TYPE AND 6 SIZE; Thread Class: 3A A; Departure From Cited Designator: AS MODIFIED BY THDS; Thread Size and Series/type Designator: 0.562-20 UN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-297-1659 still in active supply?

NSN 5340-00-297-1659 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.
PartsTable Design LLC · partstable.com