The Plug,vent Labyrinth, cataloged under National Stock Number 2940-01-360-7372, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Ldi Industries, Inc. Dba Ldi Industries Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-360-7372 |
| Primary Part Number | AV103 |
| Item Name | Plug,vent Labyrinth |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Ldi Industries, Inc. Dba Ldi Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM BODY,1.250 IN.H,1.000 IN. DIA,0.375 IN.PTF THREAD SIZE, IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12422997 | Amz Alabama Inc. (USA) |
| 1873820 | Oshkosh Defense Llc (USA) |
| AV103 PRIMARY | Ldi Industries, Inc. Dba Ldi Industries Inc (USA) |
| 12422997 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 1873820 | 5/9 Secondary reference Oshkosh Corp |
| 12422997 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 2940-01-360-7372 is a Plug,vent Labyrinth, manufactured by Ldi Industries, Inc. Dba Ldi Industries Inc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-360-7372 has 4 manufacturer part numbers on file: 12422997 (Amz Alabama Inc.), 1873820 (Oshkosh Defense Llc), AV103 (Ldi Industries, Inc. Dba Ldi Industries Inc), 12422997 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-439-9014. Verify interchangeability with system specifications before substitution.
Key specifications for AV103: General Characteristics Item Description: ALUMINUM BODY,1.250 IN.H,1.000 IN. DIA,0.375 IN.PTF THREAD SIZE, IN; Part Name Assigned by Controlling Agency: FILTER-AIR; End Item Identification: 2330-01-303-5197 PLS TRAILER; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 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.
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.