The Head,air,complete, cataloged under National Stock Number 4310-01-252-6211, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Ingersoll-Rand Company Dba Rotary Compressor Division. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-252-6211 |
| Primary Part Number | 37045861 |
| Item Name | Head,air,complete |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON |
| 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 |
|---|---|
| W75301T53 | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| 37045861 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| Reference | Meaning |
|---|---|
| W75301T53 | 5/9 Secondary reference U.S. Government activity |
| 37045861 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Company Dba Ingersoll-Rand |
| 37045861 | 5/9 Secondary reference U.S. Government activity |
NSN 4310-01-252-6211 is a Head,air,complete, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-252-6211 has 2 manufacturer part numbers on file: W75301T53 (Ingersoll-Rand Company Dba Rotary Compressor Division), 37045861 (Ingersoll-Rand Company Dba Rotary Compressor Division).
Key specifications for 37045861: General Characteristics Item Description: CAST IRON. 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.