The Plug,sealing, cataloged under National Stock Number 5340-00-176-0446, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Catalog Facts
Item Name
Plug,sealing
FSC / FSG
5340 — Hardware, Commercial (FSG 53)
Technical Specifications
Parameter
Value
NSN
5340-00-176-0446
Item Name
Plug,sealing
FSC / FSG
5340 / 53 — Hardware, Commercial
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Unit of Issue
EA
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4130-01-303-8097400091POSSIBLE MATCH
EVAPORATOR COIL,REFRIGERATION
Possible match (shared part number)Austin-Westran Llc
5365-01-393-853640009-1POSSIBLE MATCH
BUSHING,MACHINE THREAD
Possible match (shared part number)Morpac Industries, Inc Div Actuator
6120-01-670-696488-402281-01POSSIBLE MATCH
POWER SUPPLY
Possible match (shared part number)General Dynamics Mission Systems, Inc. Dba Gdms
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
400091
3/9Design control — primary reference
U.S. Government activity
Related Parts
4130-01-303-8097POSSIBLE MATCH
EVAPORATOR COIL,REFRIGERATION
400091
5365-01-393-8536POSSIBLE MATCH
BUSHING,MACHINE THREAD
40009-1
6120-01-670-6964POSSIBLE MATCH
POWER SUPPLY
88-402281-01
Frequently Asked Questions
What is NSN 5340-00-176-0446?
NSN 5340-00-176-0446 is a Plug,sealing, classified under FSC 5340, Hardware, Commercial. Status: active.
What NSN replaces 5340-00-176-0446?
3 possible matches (shared part number, not a government interchangeability claim): 4130-01-303-8097, 5365-01-393-8536, 6120-01-670-6964. Verify interchangeability with system specifications before substitution.
Is NSN 5340-00-176-0446 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.