The Breather, cataloged under National Stock Number 4310-01-326-5963, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Falls Filtration Technologies, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4310-01-326-5963 |
| Primary Part Number | HSGB |
| Item Name | Breather |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| HSGB PRIMARY | Falls Filtration Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| GM-3253743 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| GM-3253743 | C/1 Advisory reference — outside the item-of-supply concept Fuller Co Compton Plant |
| 3253743 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 4310-01-326-5963 is a Breather, manufactured by Falls Filtration Technologies, Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-326-5963 has 1 manufacturer part number on file: HSGB (Falls Filtration Technologies, Inc.).
Key specifications for HSGB: Special Features: HEIGHT 3.3125 INCHES; 3/4 INCH NPT CONNECTION IN. 0 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.