The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-466-7417, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Swagelok Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-466-7417 |
| Primary Part Number | S-PBKM8 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Material | COPPER ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| S-PBKM8 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| D951-037 | 5/9 Secondary reference H. E. Lennon Inc. Dba Midland Valve & Fitting Company |
| D951-037 | 3/2 Design control — primary reference U.S. Government activity |
| D844-1001E ITEM Q3 | D/9 Drawing number reference only U.S. Government activity |
| S-PBKM8 | 5/9 Secondary reference Whitey Co |
NSN 4330-01-466-7417 is a Pneumatic Muffler,exhaust-Intake, manufactured by Swagelok Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-466-7417 has 1 manufacturer part number on file: S-PBKM8 (Swagelok Co).
Key specifications for S-PBKM8: Overall Length: 1.890 INCHES MAXIMUM IN; Special Features: MATERIAL POROUS BRONZE 40 MICRON FILTER/MUFFLER, 7/8 HEX, 1/2 NPT, 2 REQUIRED; Part Name Assigned by Controlling Agency: MUFFLER, EXHAUST (Q3); End Item Identification: 02XN2 GEN PLA, MOUNTED ON LIQUID OXYGEN-NITROGEN PLANT LOW PRESSURE-REVERSING EXCHANGERS; WSD: NIMITZ CLASS CVN. 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.