The Disk,muzzle,interlocking, cataloged under National Stock Number 4540-01-124-6755, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4540-01-124-6755 |
| Primary Part Number | 609-4676626 ITEM 1 |
| Item Name | Disk,muzzle,interlocking |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL COPPER ALLOY;2.000 IN.O/A THK;4.500 IN.O/A DIA;SPLINED BORE,10 SPLINES,ONE SPLINE REMOVED,1.2495 IN.MAJOR DIA,1.0745 IN.MINOR DIA;ONE HOLE 0.422 IN.DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 609-4676626 ITEM 1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 609-4676626 | D/9 Drawing number reference only U.S. Government activity |
| 4676626-0001 | 3/2 Design control — primary reference U.S. Government activity |
| 609-4676626 ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 46676626-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4540-01-124-6755 is a Disk,muzzle,interlocking, manufactured by Naval Sea Systems Command, classified under FSC 4540, Waste Disposal Equipment. Status: active.
NSN 4540-01-124-6755 has 1 manufacturer part number on file: 609-4676626 ITEM 1 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-139-1612, 5365-01-154-0356, 3040-01-228-1083. Verify interchangeability with system specifications before substitution.
Key specifications for 609-4676626 ITEM 1: General Characteristics Item Description: NICKEL COPPER ALLOY;2.000 IN.O/A THK;4.500 IN.O/A DIA;SPLINED BORE,10 SPLINES,ONE SPLINE REMOVED,1.2495 IN.MAJOR DIA,1.0745 IN.MINOR DIA;ONE HOLE 0.422 IN.DIA IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4540-01-124-6755 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.