The Stop,mechanical, cataloged under National Stock Number 5340-01-714-8321, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
Stop,mechanical
FSC / FSG
5340 — Hardware, Commercial (FSG 53)
Technical Specifications
Parameter
Value
NSN
5340-01-714-8321
Item Name
Stop,mechanical
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)
Criticality Code
X
Unit of Issue
EA
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4210-01-714-8384218119315POSSIBLE MATCH
LINK,FUSIBLE,FIRE
Possible match (shared part number)Globe Technologies Corp
3040-01-714-8423512-8837250-11-3POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Naval Sea Systems Command
5330-01-714-8815512-8837250-46-3POSSIBLE MATCH
GASKET
Possible match (shared part number)Naval Sea Systems Command
5340-01-714-8889440-8843859-13POSSIBLE MATCH
COLLAR,SHAFT
Possible match (shared part number)Naval Sea Systems Command
5340-01-714-8896512-8837250-19-3POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
512-8837250-44-3
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
22-86-0216F
3/2Design control — primary reference
U.S. Government activity
R6432612-44-3
5/2Secondary reference
U.S. Government activity
LSA005044/B-44-3
5/2Secondary reference
U.S. Government activity
8837250
D/9Drawing number reference only
Naval Sea Systems Command
Related Parts
4210-01-714-8384POSSIBLE MATCH
LINK,FUSIBLE,FIRE
218119315
3040-01-714-8423POSSIBLE MATCH
SHAFT,STRAIGHT
512-8837250-11-3
5330-01-714-8815POSSIBLE MATCH
GASKET
512-8837250-46-3
5340-01-714-8889POSSIBLE MATCH
COLLAR,SHAFT
440-8843859-13
5340-01-714-8896POSSIBLE MATCH
BRACKET,MOUNTING
512-8837250-19-3
Frequently Asked Questions
What is NSN 5340-01-714-8321?
NSN 5340-01-714-8321 is a Stop,mechanical, classified under FSC 5340, Hardware, Commercial. Status: active.
What NSN replaces 5340-01-714-8321?
5 possible matches (shared part number, not a government interchangeability claim): 4210-01-714-8384, 3040-01-714-8423, 5330-01-714-8815. Verify interchangeability with system specifications before substitution.
Is NSN 5340-01-714-8321 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.