The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-269-0364, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Welch Vacuum Technology Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4310-01-269-0364 |
| Primary Part Number | 8905A |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Welch Vacuum Technology Inc |
| Status | CANCELLED |
| Discharge Connection Quantity | 1 |
| Vacuum Rating | 0.005 TORR |
| Discharge Connection Type | THREADED INTERNAL |
| Pump Quantity | 1 |
| Cooling Medium | AIR |
| Intake Connection Type | FLARED TUBE |
| Stage Quantity | 1 |
| Intake Connection Quantity | 1 |
| Discharge Connection Nominal Thread Size | 0.500 INCHES IN |
| Discharge Connection Thread Series Designator | NPT |
| System Design | NONCORROSIVE |
| Prime Mover Type | GASOLINE ENGINE |
| Discharge Connection Thread Size and Series/type Designator | 1/2-14 NPT |
| Intake Connection Inside Diameter | 0.375 INCHES NOMINAL IN |
| Pumping Element Type | ROTARY PISTON |
| Air Displacement Rate | 10.0 CUBIC FEET PER MINUTE IN FREE AIR |
| Material | STEEL PUMP BODY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4310-01-269-0364 is a Vacuum Pump Unit,rotary, manufactured by Welch Vacuum Technology Inc, classified under FSC 4310 (No Item Name Available). Status: cancelled.
NSN 4310-01-269-0364 has 5 cross-referenced part numbers: Z04731 (Gasboy Intl Llc), 8905A (Welch Vacuum Technology Inc), 8905 (Sargent-Welch Scientific Co), 10302B (Sargent-Welch Scientific Co), B-Z04731 (Gasboy Intl Llc).
There are 9 known substitutes for 4310-01-269-0364: 6670-00-020-1365, 5120-00-240-5252, 2920-00-421-7197 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8905A: Discharge Connection Quantity: 1; Vacuum Rating: 0.005 TORR; Discharge Connection Type: THREADED INTERNAL; Pump Quantity: 1. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4310-01-269-0364 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.