PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M5501/1-F28Plug,protective,dust and Moistur

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-804-1246 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-804-1246 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-804-1246. Primary manufacturer part number: M5501/1-F28.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Drive Type: SERRATED OR SQUARE HEAD OR HEX SOCKET
  • Design Type: THREADED
  • Thread Size and Series/type Designator: 2-1/4-12 UN
  • Overall Diameter: 3.125 INCHES NOMINAL IN
  • Material: PLASTIC
  • Material Document and Classification: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
  • 2 verified cross-references
Applications
  • Applications requiring Plastic construction
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-00-804-1246, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-804-1246
Primary Part NumberM5501/1-F28
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
Drive TypeSERRATED OR SQUARE HEAD OR HEX SOCKET
Design TypeTHREADED
Thread Size and Series/type Designator2-1/4-12 UN
Overall Diameter3.125 INCHES NOMINAL IN
MaterialPLASTIC
Material Document and ClassificationL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5340-00-292-3292NAS836-6A SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-597-9433NAS833-4 SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-804-1236NAS833-8 SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-804-1253NAS833-16 SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-828-8802NAS836-8A SUCCESSOR
Plug,protective,dust and Moistur
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
5340-01-080-0402NAS836N8A SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-164-8756NAS833-12 SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-166-6881NAS833-20 SUCCESSOR
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
M5501/1-F28 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-5501/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-00-521-9596SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-292-3292SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS836-6A
5340-00-597-9433SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS833-4
5340-00-804-1236SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS833-8
5340-00-804-1253SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS833-16
5340-00-828-8802SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS836-8A
5340-01-039-3978SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS836-6
5340-01-080-0402SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS836N8A
5340-01-164-8756SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS833-12
5340-01-166-6881SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS833-20
5340-01-167-3943SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS833-3
5340-01-167-9321SUCCESSOR
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS833-5

Frequently Asked Questions

What is NSN 5340-00-804-1246?

NSN 5340-00-804-1246 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 5340-00-804-1246?

NSN 5340-00-804-1246 has 2 cross-referenced part numbers: M5501/1-F28 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-5501/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-00-804-1246?

There are 12 known substitutes for 5340-00-804-1246: 5340-00-521-9596, 5340-00-292-3292, 5340-00-597-9433 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M5501/1-F28?

Key specifications for M5501/1-F28: Drive Type: SERRATED OR SQUARE HEAD OR HEX SOCKET; Design Type: THREADED; Thread Size and Series/type Designator: 2-1/4-12 UN; Overall Diameter: 3.125 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-804-1246 still in active supply?

NSN 5340-00-804-1246 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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