This U.S. Government catalog record covers National Stock Number 4320-00-537-2153, classified in Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is M.t. Davidson Company. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-537-2153 |
| Primary Part Number | A0AVNI168 |
| Item Name | Item name not on file |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | M.t. Davidson Company |
| Status | ACTIVE |
| General Characteristics Item Description | GUN METAL;1.281 IN. H;4.750 IN. OD;2.234 IN. ID;TWO THREADED HOLES LOCATED 180.0 DEG APART ON A 3.500 IN. BC 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 |
|---|---|
| GCP454PC11 | M.t. Davidson Company (USA) |
| A0AVNI168 PRIMARY | M.t. Davidson Company (USA) |
| Reference | Meaning |
|---|---|
| GCP-454 | D/9 Drawing number reference only M.t. Davidson Company |
| QQ-C-390B | 4/1 Identification reference U.S. Government activity |
NSN 4320-00-537-2153 has no item name on file in the U.S. Government catalog (manufacturer of record: M.t. Davidson Company), classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-537-2153 has 2 manufacturer part numbers on file: GCP454PC11 (M.t. Davidson Company), A0AVNI168 (M.t. Davidson Company).
3 possible matches (shared part number, not a government interchangeability claim): 4320-00-564-3356, 4320-00-792-6172, 5330-00-939-0464. Verify interchangeability with system specifications before substitution.
Key specifications for A0AVNI168: General Characteristics Item Description: GUN METAL;1.281 IN. H;4.750 IN. OD;2.234 IN. ID;TWO THREADED HOLES LOCATED 180.0 DEG APART ON A 3.500 IN. BC 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.