The Spring Assy,shock, cataloged under National Stock Number 1440-01-645-7397, is classified within Federal Supply Class 1440 (Launchers, Guided Missile) of the Guided Missiles 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1440-01-645-7397
Item Name
Spring Assy,shock
FSC / FSG
1440 / 14 — Launchers, Guided Missile
Status
ACTIVE
Nuclear Hardness Critical Feature
HARDENED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL F — Mutilate — Cut
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
H
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
25-66608-3
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 1440 — Launchers, Guided Missile
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1440-00-006-6410
CAM,LEFT HAND
1440-00-034-4210
1440-00-034-4210 · Item name not on file
1440-00-055-6740
1440-00-055-6740 · Item name not on file
1440-00-072-5945
1440-00-072-5945 · Item name not on file
1440-00-075-7878
1440-00-075-7878 · Item name not on file
1440-00-344-1590
1440-00-344-1590 · Item name not on file
1440-00-349-2368
1440-00-349-2368 · Item name not on file
1440-00-349-9202
1440-00-349-9202 · Item name not on file
Frequently Asked Questions
What is NSN 1440-01-645-7397?
NSN 1440-01-645-7397 is a Spring Assy,shock, classified under FSC 1440, Launchers, Guided Missile. Status: active.
What are the specifications of 1440-01-645-7397?
Key specifications for 1440-01-645-7397: Special Features: SPRING ASSY,SHOCK; Nuclear Hardness Critical Feature: HARDENED. 1 specification is documented in the U.S. Government catalog.
Is NSN 1440-01-645-7397 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.
What is the DEMIL code for NSN 1440-01-645-7397?
NSN 1440-01-645-7397 has DEMIL Code F. 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.