The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-219-4545, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
5340-01-219-4545
Item Name
Seat,helical Compression Spring
FSC / FSG
5340 / 53 — Hardware, Commercial
Status
ACTIVE
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5120-01-238-9117353POSSIBLE MATCH
INSTALLATION TOOL,PNEUMATIC
Possible match (shared part number)Huck International, Inc
5985-01-293-2453POSSIBLE MATCH
ATTENUATOR,FIXED
Possible match (shared part number)
6515-01-464-0145393.53POSSIBLE MATCH
ROD,FIXATION,ORTHOPEDIC
Possible match (shared part number)Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
4820-01-576-622839-353POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
Possible match (shared part number)Hydro-Aire Aerospace Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
39353
3/2Design control — primary reference
U.S. Government activity
Related Parts
5120-01-238-9117POSSIBLE MATCH
INSTALLATION TOOL,PNEUMATIC
353
5985-01-293-2453POSSIBLE MATCH
ATTENUATOR,FIXED
6515-01-464-0145POSSIBLE MATCH
ROD,FIXATION,ORTHOPEDIC
393.53
4820-01-576-6228POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
39-353
Frequently Asked Questions
What is NSN 5340-01-219-4545?
NSN 5340-01-219-4545 is a Seat,helical Compression Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
What NSN replaces 5340-01-219-4545?
4 possible matches (shared part number, not a government interchangeability claim): 5120-01-238-9117, 5985-01-293-2453, 6515-01-464-0145. Verify interchangeability with system specifications before substitution.
What are the specifications of 5340-01-219-4545?
Key specifications for 5340-01-219-4545: Material: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 5340-01-219-4545 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.
What is the DEMIL code for NSN 5340-01-219-4545?
NSN 5340-01-219-4545 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.