NSN 5340-00-119-6531 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-119-6531. Manufacturer of record part number: 51171.
Also searched as5340-00-119-6531 ·
5340001196531 ·
NIIN 001196531 ·
00-119-6531 ·
FSC 5340 Hardware, Commercial · CAGE 73030 · 51171
Outside Diameter: 0.497 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
Style Designator: CONCAVE
Material Thickness: 0.065 INCHES NOMINAL IN
Surface Treatment: CADMIUM
Material: STEEL
1 manufacturer part number on file
Identification
NSN: 5340-00-119-6531
NIIN: 001196531
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 51171
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description
The Plug,expansion, cataloged under National Stock Number 5340-00-119-6531, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5340-00-119-6531
Primary Part Number
51171
Item Name
Plug,expansion
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Hamilton Sundstrand Corporation Dba Collins Aerospace
Status
ACTIVE
Radius
0.531 INCHES NOMINAL IN
Outside Diameter
0.497 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
Style Designator
CONCAVE
Material Thickness
0.065 INCHES NOMINAL IN
Surface Treatment
CADMIUM
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-00-703-1598SCB69689POSSIBLE MATCH
NUT,COUPLING,FLEXIBLE CASING
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-810-87163-60916-1POSSIBLE MATCH
TRANSFORMER,POWER AUTOTRANSFORME
Possible match (shared part number)Northrop Grumman Systems Corporation
4920-00-838-6174POSSIBLE MATCH
COMPONENT MODULE
Possible match (shared part number)
5930-00-972-8452304JK08APOSSIBLE MATCH
SWITCH,ROTARY
Possible match (shared part number)Electro Switch Corp. Dba Electro Switch Corp
1680-01-692-50935117-1POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
Possible match (shared part number)Birk Manufacturing, Inc. Dba Birk Manufacturing Inc
Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
3040-00-703-1598POSSIBLE MATCH
NUT,COUPLING,FLEXIBLE CASING
SCB69689
5950-00-810-8716POSSIBLE MATCH
TRANSFORMER,POWER AUTOTRANSFORME
3-60916-1
4920-00-838-6174POSSIBLE MATCH
COMPONENT MODULE
5930-00-972-8452POSSIBLE MATCH
SWITCH,ROTARY
304JK08A
1680-01-692-5093POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
5117-1
Frequently Asked Questions
What is NSN 5340-00-119-6531?
NSN 5340-00-119-6531 is a Plug,expansion, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-00-119-6531?
NSN 5340-00-119-6531 has 1 manufacturer part number on file: 51171 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
What NSN replaces 5340-00-119-6531?
5 possible matches (shared part number, not a government interchangeability claim): 3040-00-703-1598, 5950-00-810-8716, 4920-00-838-6174. Verify interchangeability with system specifications before substitution.
What are the specifications of 51171?
Key specifications for 51171: Radius: 0.531 INCHES NOMINAL IN; Outside Diameter: 0.497 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Style Designator: CONCAVE; Material Thickness: 0.065 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5340-00-119-6531 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.