NSN 5340-01-111-0979 · NIIN 011110979 · Part number 206-4775633 ITEM 43
Naval Sea Systems Command · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5340-01-111-0979 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-111-0979. Manufacturer of record part number: 206-4775633 ITEM 43.
The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-111-0979, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
5340-01-111-0979
Primary Part Number
206-4775633 ITEM 43
Item Name
Retainer,helical Compression Spr
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Flange Diameter
2.500 INCHES NOMINAL IN
Flange Thickness
0.125 INCHES NOMINAL IN
Body Outside Diameter
1.370 INCHES NOMINAL IN
Mounting Hole Diameter
0.312 INCHES NOMINAL IN
Body Inside Diameter
1.180 INCHES NOMINAL IN
Casehardening Indicator
NOT CASEHARDENED
Bolt Circle Diameter
1.880 INCHES NOMINAL IN
Material
STEEL
End Hole Diameter
0.812 INCHES NOMINAL IN
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-111-178287749-3901 ITEM 41-1POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-111-361487749-3901 ITEM 10POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3010-01-111-369487749-3901 ITEM 57POSSIBLE MATCH
GUIDE,CONNECTING ROD
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-111-382687749-3901 ITEM 9POSSIBLE MATCH
LEVER,MANUAL CONTROL
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-111-567787749-3901 ITEM 12POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-111-585187749-3901 ITEM 4POSSIBLE MATCH
BELL CRANK
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-118-443187749-3901 ITEM 2POSSIBLE MATCH
LEVER ASSEMBLY,ACTUATOR
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
NSN 5340-01-111-0979 is a Retainer,helical Compression Spr, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-111-0979?
NSN 5340-01-111-0979 has 1 manufacturer part number on file: 206-4775633 ITEM 43 (Naval Sea Systems Command).
What NSN replaces 5340-01-111-0979?
7 possible matches (shared part number, not a government interchangeability claim): 3040-01-111-1782, 5340-01-111-3614, 3010-01-111-3694. Verify interchangeability with system specifications before substitution.
What are the specifications of 206-4775633 ITEM 43?
Key specifications for 206-4775633 ITEM 43: Flange Diameter: 2.500 INCHES NOMINAL IN; Overall Height: 2.500 INCHES NOMINAL IN; Flange Thickness: 0.125 INCHES NOMINAL IN; Body Outside Diameter: 1.370 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-111-0979 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.