Fitting, Breech4540-01-219-5660

NSN 4540-01-219-5660 · NIIN 012195660

FSC 4540 — Waste Disposal Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal

Government record, cited

Also searched as 4540-01-219-5660 · 4540012195660 · NIIN 012195660 · 01-219-5660 · FSC 4540 Waste Disposal Equipment · SSN637-505-2143921 · 77656-31X3 PIECE 5 · SSN637-505-2143921 PIECE 5 · 77656-31X3

Nearby stock numbers ← 4540-01-219-3470 · 4540-01-219-5661 Fitting, Hinge, Trash Disposal Uni →

Features

Fitting,breech — FSC 4540
General Characteristics Item Description: CRES; 11.500 IN. LG,11.250 IN. BODY DIA; ACME SCREW THD END W/ L-H THD,12.750 IN. MAX OD,12.230 IN. ROOT DIA; 2.781 IN. DIA PORT W/SIX 0.625 IN. DIA 1.062 IN. DP EQUALLY SPACED ON 4.437 IN. DIA BOLT CIRCLE IN

Identification

NSN: 4540-01-219-5660
NIIN: 012195660
FSC: 4540 — Waste Disposal Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal

General Description

The Fitting,breech, cataloged under National Stock Number 4540-01-219-5660, 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1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4540-01-219-5660
Item Name	Fitting,breech
FSC / FSG	4540 / 45 — Waste Disposal Equipment
Status	ACTIVE
General Characteristics Item Description	CRES; 11.500 IN. LG,11.250 IN. BODY DIA; ACME SCREW THD END W/ L-H THD,12.750 IN. MAX OD,12.230 IN. ROOT DIA; 2.781 IN. DIA PORT W/SIX 0.625 IN. DIA 1.062 IN. DP EQUALLY SPACED ON 4.437 IN. DIA BOLT CIRCLE 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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
SSN637-505-2143921	D/9 Drawing number reference only U.S. Government activity
77656-31X3 PIECE 5	3/2 Design control — primary reference U.S. Government activity
SSN637-505-2143921 PIECE 5	5/2 Secondary reference U.S. Government activity
77656-31X3	D/9 Drawing number reference only U.S. Government activity

No interchangeability data on file.

Other items in FSC 4540 — Waste Disposal Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4540-00-001-1243

4540-00-001-1243 · Item name not on file

4540-00-001-6053

4540-00-001-6053 · Item name not on file

4540-00-001-7002

4540-00-001-7002 · Item name not on file

4540-00-001-7832

4540-00-001-7832 · Item name not on file

4540-00-001-7839

HEATING ELEMENT,ELE

4540-00-001-9407

4540-00-001-9407 · Item name not on file

4540-00-003-0152

4540-00-003-0152 · Item name not on file

4540-00-003-1491

4540-00-003-1491 · Item name not on file

Frequently Asked Questions

What is NSN 4540-01-219-5660?

NSN 4540-01-219-5660 is a Fitting,breech, classified under FSC 4540, Waste Disposal Equipment. Status: active.

What are the specifications of 4540-01-219-5660?

Key specifications for 4540-01-219-5660: General Characteristics Item Description: CRES; 11.500 IN. LG,11.250 IN. BODY DIA; ACME SCREW THD END W/ L-H THD,12.750 IN. MAX OD,12.230 IN. ROOT DIA; 2.781 IN. DIA PORT W/SIX 0.625 IN. DIA 1.062 IN. DP EQUALLY SPACED ON 4.437 IN. DIA BOLT CIRCLE IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4540-01-219-5660 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.

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