Load Rating: 0.930 POUNDS MINIMUM AND 5.125 POUNDS MAXIMUM LBS
End Style: RAISED HOOK BOTH ENDS
Design Type: OPEN
Style Designator: CYLINDRICAL
Spring Free Length: 81.500 MILLIMETERS NOMINAL MM
Spring Length Under Load: 85.900 MILLIMETERS MINIMUM AND 144.800 MILLIMETERS MAXIMUM MM
Surface Treatment: PHOSPHATE AND PAINT OVERALL
Identification
NSN: 5360-01-453-0521
NIIN: 014530521
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
FSG: 53 — Hardware and Abrasives
General Description
The Spring,helical,extension, cataloged under National Stock Number 5360-01-453-0521, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5360-01-453-0521
Item Name
Spring,helical,extension
FSC / FSG
5360 / 53 — Coil, Flat, Leaf, and Wire Springs
Status
ACTIVE
Load Rating
0.930 POUNDS MINIMUM AND 5.125 POUNDS MAXIMUM LBS
End Style
RAISED HOOK BOTH ENDS
Design Type
OPEN
Style Designator
CYLINDRICAL
Spring Free Length
81.500 MILLIMETERS NOMINAL MM
Spring Length Under Load
85.900 MILLIMETERS MINIMUM AND 144.800 MILLIMETERS MAXIMUM MM
Surface Treatment
PHOSPHATE AND PAINT OVERALL
Material
STEEL OVERALL
End Angular Relationship
ENDS PARALLEL ONE TO OTHER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
15961525
3/9Design control — primary reference
General Motors Corp
15961525
C/1Advisory reference — outside the item-of-supply concept
General Motors Llc Dba General Motors Llc
No interchangeability data on file.
Other items in FSC 5360 — Coil, Flat, Leaf, and Wire Springs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5360-00-001-1842
SPRING,HELICAL,COMPRESSION
5360-00-001-1945
5360-00-001-1945 · Item name not on file
5360-00-001-2010
SPRING,HELICAL,EXTENSION
5360-00-001-3865
5360-00-001-3865 · Item name not on file
5360-00-001-3950
5360-00-001-3950 · Item name not on file
5360-00-001-4650
SPRING,HELICAL,COMPRESSION
5360-00-001-4664
SPRING,CONSTANT TO
5360-00-001-4703
5360-00-001-4703 · Item name not on file
Related Parts in Hardware and Abrasives
5360-00-001-1842
SPRING,HELICAL,COMPRESSION
19937
5360-00-001-1945
5360-00-001-1945 · Item name not on file
5360-00-001-2010
SPRING,HELICAL,EXTENSION
338452
5360-00-001-3865
5360-00-001-3865 · Item name not on file
5360-00-001-3950
5360-00-001-3950 · Item name not on file
5360-00-001-4650
SPRING,HELICAL,COMPRESSION
282897-1
5360-00-001-4664
SPRING,CONSTANT TO
W18V134
5360-00-001-4703
5360-00-001-4703 · Item name not on file
Frequently Asked Questions
What is NSN 5360-01-453-0521?
NSN 5360-01-453-0521 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
What are the specifications of 5360-01-453-0521?
Key specifications for 5360-01-453-0521: Load Rating: 0.930 POUNDS MINIMUM AND 5.125 POUNDS MAXIMUM LBS; End Style: RAISED HOOK BOTH ENDS; Design Type: OPEN; Style Designator: CYLINDRICAL. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5360-01-453-0521 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.