The Spring,helical,compression, cataloged under National Stock Number 5360-01-209-8540, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Spring,helical,compression
FSC / FSG
5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53)
Technical Specifications
Parameter
Value
NSN
5360-01-209-8540
Item Name
Spring,helical,compression
FSC / FSG
5360 / 53 — Coil, Flat, Leaf, and Wire Springs
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-237-63491290-5-PC 3B AND 4POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc
4820-01-272-76991290-5-2POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc
2815-01-273-366912905POSSIBLE MATCH
RING SET,PISTON
Possible match (shared part number)Westerbeke Corporation
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
12905
3/9Design control — primary reference
Gh Bettis a Galveston-Houston Co
Related Parts
4820-01-237-6349POSSIBLE MATCH
STEM,FLUID VALVE
1290-5-PC 3B AND 4
4820-01-272-7699POSSIBLE MATCH
CAP,VALVE
1290-5-2
2815-01-273-3669POSSIBLE MATCH
RING SET,PISTON
12905
Frequently Asked Questions
What is NSN 5360-01-209-8540?
NSN 5360-01-209-8540 is a Spring,helical,compression, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
What NSN replaces 5360-01-209-8540?
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-237-6349, 4820-01-272-7699, 2815-01-273-3669. Verify interchangeability with system specifications before substitution.
Is NSN 5360-01-209-8540 hazardous material?
No hazard code in the DLA record (HMIC N). 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.