The Plate,wear,rotary Pump, cataloged under National Stock Number 4320-01-423-7597, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-423-7597 |
| Primary Part Number | 29511815 |
| Item Name | Plate,wear,rotary Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Overall Diameter | 130.0 MILLIMETERS NOMINAL MM |
| General Characteristics Item Description | 80MM I.D., 3MM THICK; HAS EIGHT 12.75MM DIA THRU HOLES ON A 105.66MM BOLT CIRCLE; SEVEN OF THE HOLES ARE EQUALLY SPACED - ONE HOLE IS OFFSET 4.6MM FROM VERTICAL CENTERLINE; HAS ALSO TWO 7MM DIA THRU HOLES ON THE 105.66MM BC MM |
| 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 |
|---|---|
| 12420820-001 | Amz Alabama Inc. (USA) |
| 12420820-001 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12420820 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 29511815 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 12420820 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
NSN 4320-01-423-7597 is a Plate,wear,rotary Pump, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-423-7597 has 4 manufacturer part numbers on file: 12420820-001 (Amz Alabama Inc.), 12420820-001 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12420820 (U S Army Tank Automotive Command Amsta-Im-Mm), 29511815 (Allison Transmission Inc Dba Allison Transmission, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-481-0634. Verify interchangeability with system specifications before substitution.
Key specifications for 29511815: Overall Diameter: 130.0 MILLIMETERS NOMINAL MM; General Characteristics Item Description: 80MM I.D., 3MM THICK; HAS EIGHT 12.75MM DIA THRU HOLES ON A 105.66MM BOLT CIRCLE; SEVEN OF THE HOLES ARE EQUALLY SPACED - ONE HOLE IS OFFSET 4.6MM FROM VERTICAL CENTERLINE; HAS ALSO TWO 7MM DIA THRU HOLES ON THE 105.66MM BC MM; Special Features: ITEM IS SUPPLIED IN AN INSTALLATION PACKAGE WITH THE ALLISON TRANSMISSION FOR THE FMTV; End Item Identification: 2320-01-354-3385; WEAPONS SYSTEM XD, TRUCK, FAMILY OF MEDIUM TACTICAL VEHICLE (FMTV); MRAP - M-ATV. 2 specifications are 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.