The Pump,fuel,cam Actuated, cataloged under National Stock Number 2910-00-063-7850, is classified within Federal Supply Class 2910 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Hastings Manufacturing Co Div Hastings Manufacturing Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2910-00-063-7850 |
| Primary Part Number | M4503 |
| Item Name | Pump,fuel,cam Actuated |
| FSC / FSG | 2910 / 29 — No Item Name Available |
| Manufacturer | Hastings Manufacturing Co Div Hastings Manufacturing Company |
| Status | ACTIVE |
| Vacuum Booster | NOT INCLUDED |
| Stroke Length | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Outlet Connection Type/size | FUEL 0.500 IN.-20 THD SIZE IN |
| Inlet Connection Type/size | FUEL 0.312 IN. TUBE SIZE IN |
| Fording Feature | NOT INCLUDED |
| Drain Facility | NOT INCLUDED |
| Fuel Filter | NOT INCLUDED |
| Distance From Pump Mounting Face to Actuator Center | 1.745 IN. TO CENTER OF CAM ECCENTRICITY IN |
| Maximum Static Pressure Above Outlet Height | 4.5 LB AT 16 IN. AT 1800 RPM LBS |
| Priming Lever | NOT INCLUDED |
| Furnished Items and Quantity | GASKET 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M4503 | Hastings Manufacturing Co Div Hastings Manufacturing Company (USA) |
| FP4503 | Borg-Warner Corp Automotive Parts Div (USA) |
| 40446 | General Motors Llc Dba General Motors (USA) |
| M4503 | Acf Industries Inc Carter Carburetor Div |
| 40446 | General Motors Llc Dba General Motors Llc (USA) |
| 6440446 | General Motors Llc Dba General Motors Llc (USA) |
| 55139 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| 6440446 | General Motors Llc Dba General Motors (USA) |
| 40446 | Blackstone Mfg Co Inc (USA) |
NSN 2910-00-063-7850 is a Pump,fuel,cam Actuated, manufactured by Hastings Manufacturing Co Div Hastings Manufacturing Company, classified under FSC 2910 (No Item Name Available). Status: active.
NSN 2910-00-063-7850 has 9 cross-referenced part numbers: M4503 (Hastings Manufacturing Co Div Hastings Manufacturing Company), FP4503 (Borg-Warner Corp Automotive Parts Div), 40446 (General Motors Llc Dba General Motors), M4503 (Acf Industries Inc Carter Carburetor Div), 40446 (General Motors Llc Dba General Motors Llc) and 4 more.
There are 7 known substitutes for 2910-00-063-7850: 5990-00-115-5851, 5330-00-139-7449, 3110-00-156-5427 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for M4503: Vacuum Booster: NOT INCLUDED; Stroke Length: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN; Outlet Connection Type/size: FUEL 0.500 IN.-20 THD SIZE IN; Inlet Connection Type/size: FUEL 0.312 IN. TUBE SIZE IN. 14 total characteristics are documented in the Federal Logistics Information System.