The Mounting Pump, cataloged under National Stock Number 4320-00-591-2672, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Industrial Technologies and Services Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 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 | 4320-00-591-2672 |
| Primary Part Number | A101 |
| Item Name | Mounting Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Industrial Technologies and Services Llc |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS; 4.590 IN. O/A LG,5.050 IN. O/A W,5.785 IN. O/A H; 6 MOUNTING HOLES 0.367 IN. DIA,EQUALLY SPACED ON 4.572 IN. BOLT CIRCLE DIA; BASE 2.848 IN. W BY 5.050 IN. LG,WITH 4 SLOTS 0.432 IN. W BY 1.390 IN. LG; WITH 1 BUSHING IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4320-00-591-2672 is a Mounting Pump, manufactured by Industrial Technologies and Services Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-591-2672 has 2 manufacturer part numbers on file: A101 (Industrial Technologies and Services Llc), 22920 (Industrial Technologies and Services Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-720-8553, 5360-01-606-4206. Verify interchangeability with system specifications before substitution.
Key specifications for A101: General Characteristics Item Description: BRASS; 4.590 IN. O/A LG,5.050 IN. O/A W,5.785 IN. O/A H; 6 MOUNTING HOLES 0.367 IN. DIA,EQUALLY SPACED ON 4.572 IN. BOLT CIRCLE DIA; BASE 2.848 IN. W BY 5.050 IN. LG,WITH 4 SLOTS 0.432 IN. W BY 1.390 IN. LG; WITH 1 BUSHING 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.
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.