The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-066-9079, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
5340-00-066-9079
Item Name
Retainer,helical Compression Spr
FSC / FSG
5340 / 53 — Hardware, Commercial
Status
ACTIVE
FSC Application Data
PROJECTOR 2 DRTNL PLOT
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1730-00-481-0428205227POSSIBLE MATCH
WALKWAY,WING PROTEC
Possible match (shared part number)Lockheed Martin Corp
3120-00-589-1478205-227POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Aerocontrolex Group, Inc.
4320-01-140-011020522-7POSSIBLE MATCH
PARTS KIT,CENTRIFUGAL PUMP
Possible match (shared part number)Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5365-01-592-130813046227POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
205227
3/9Design control — primary reference
U.S. Government activity
Related Parts
1730-00-481-0428POSSIBLE MATCH
WALKWAY,WING PROTEC
205227
3120-00-589-1478POSSIBLE MATCH
BEARING,SLEEVE
205-227
4320-01-140-0110POSSIBLE MATCH
PARTS KIT,CENTRIFUGAL PUMP
20522-7
5365-01-592-1308POSSIBLE MATCH
SPACER,SLEEVE
13046227
Frequently Asked Questions
What is NSN 5340-00-066-9079?
NSN 5340-00-066-9079 is a Retainer,helical Compression Spr, classified under FSC 5340, Hardware, Commercial. Status: active.
What NSN replaces 5340-00-066-9079?
4 possible matches (shared part number, not a government interchangeability claim): 1730-00-481-0428, 3120-00-589-1478, 4320-01-140-0110. Verify interchangeability with system specifications before substitution.
What are the specifications of 5340-00-066-9079?
Key specifications for 5340-00-066-9079: FSC Application Data: PROJECTOR 2 DRTNL PLOT. 1 specification is documented in the U.S. Government catalog.
Is NSN 5340-00-066-9079 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.