Nearby stock numbers← 4540-01-219-5664 Disk, Interlocking, Breech and Flu
·
4540-01-219-5666 Plunger, Trash Disposal Unit →
Features
Bolt,valve Actuator,locking — FSC 4540
General Characteristics Item Description: BRONZE MANGANESE; INTERNAL SPLINE WRENCHING; 1.000 IN. ID; 2.250 IN. OD; 6.622 IN. LG O/A; 3.250 IN. DIA FLANGE 1.000 IN. THK; 3.250 IN. DIA FLANGE 3.469 IN. THK IN
Identification
NSN: 4540-01-219-5665
NIIN: 012195665
FSC: 4540 — Waste Disposal Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
General Description
The Bolt,valve Actuator,locking, cataloged under National Stock Number 4540-01-219-5665, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
4540-01-219-5665
Item Name
Bolt,valve Actuator,locking
FSC / FSG
4540 / 45 — Waste Disposal Equipment
Status
ACTIVE
General Characteristics Item Description
BRONZE MANGANESE; INTERNAL SPLINE WRENCHING; 1.000 IN. ID; 2.250 IN. OD; 6.622 IN. LG O/A; 3.250 IN. DIA FLANGE 1.000 IN. THK; 3.250 IN. DIA FLANGE 3.469 IN. THK IN
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
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4540-01-219-566677656-31X11 PIECE 35POSSIBLE MATCH
PLUNGER,TRASH DISPOSAL UNIT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
2590-01-219-572477656-31X11 PIECE 34POSSIBLE MATCH
BRACKET,EYE,ROTATING SHAFT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4540-01-219-660477656-31X11 PIECE 36POSSIBLE MATCH
GUIDE,PLUNGER
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-220-097177656-31X11 PIECE 28POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SSN637-505-2143929 PIECE 29
5/2Secondary reference
U.S. Government activity
SSN637-505-2143929
D/9Drawing number reference only
U.S. Government activity
77656-31X11
D/9Drawing number reference only
U.S. Government activity
77656-31X11 PIECE 29
3/2Design control — primary reference
U.S. Government activity
Related Parts
4540-01-219-5666POSSIBLE MATCH
PLUNGER,TRASH DISPOSAL UNIT
77656-31X11 PIECE 35
2590-01-219-5724POSSIBLE MATCH
BRACKET,EYE,ROTATING SHAFT
77656-31X11 PIECE 34
4540-01-219-6604POSSIBLE MATCH
GUIDE,PLUNGER
77656-31X11 PIECE 36
3040-01-220-0971POSSIBLE MATCH
SHAFT,SHOULDERED
77656-31X11 PIECE 28
Frequently Asked Questions
What is NSN 4540-01-219-5665?
NSN 4540-01-219-5665 is a Bolt,valve Actuator,locking, classified under FSC 4540, Waste Disposal Equipment. Status: active.
What NSN replaces 4540-01-219-5665?
4 possible matches (shared part number, not a government interchangeability claim): 4540-01-219-5666, 2590-01-219-5724, 4540-01-219-6604. Verify interchangeability with system specifications before substitution.
What are the specifications of 4540-01-219-5665?
Key specifications for 4540-01-219-5665: General Characteristics Item Description: BRONZE MANGANESE; INTERNAL SPLINE WRENCHING; 1.000 IN. ID; 2.250 IN. OD; 6.622 IN. LG O/A; 3.250 IN. DIA FLANGE 1.000 IN. THK; 3.250 IN. DIA FLANGE 3.469 IN. THK IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4540-01-219-5665 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.