PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40049Cover,exhaust Valve,rocker Box

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2810-00-118-9444 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-118-9444 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-118-9444. Primary manufacturer part number: 40049.
Features
  • Cover,exhaust Valve,rocker Box — FSC 2810
  • General Characteristics Item Description: MATL ALUMINUM ALLOY PER AMS 4212; 2.8125 IN. WIDE; 1.15625 IN. DEEP; VENT TUBE 0.75 IN. OD WITH 0.5625 IN. DIA HOLE; 4 HOLES 0.28125 IN. DIA; 5 RIBS 0.0625 IN. THICK IN
  • 2 verified cross-references
  • Primary manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cover,exhaust Valve,rocker Box, cataloged under National Stock Number 2810-00-118-9444, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-00-118-9444
Primary Part Number40049
Item NameCover,exhaust Valve,rocker Box
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
General Characteristics Item DescriptionMATL ALUMINUM ALLOY PER AMS 4212; 2.8125 IN. WIDE; 1.15625 IN. DEEP; VENT TUBE 0.75 IN. OD WITH 0.5625 IN. DIA HOLE; 4 HOLES 0.28125 IN. DIA; 5 RIBS 0.0625 IN. THICK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-010-3320 INTERCHANGEABLE
Washer,lock
6660-00-670-4850ID353BGMQ10 INTERCHANGEABLE
Indicator-Recorder,transmissomet
Joint Electronics Type Designation System
5355-01-181-056040049 INTERCHANGEABLE
Dial,scale
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
2910-01-206-090540049 INTERCHANGEABLE
Pump,fuel,electrical
Zenith Fuel Systems Llc
4130-01-336-715631212-91 INTERCHANGEABLE
Head Assembly Extru
Wilshire Corp
4820-01-394-759240049-1 INTERCHANGEABLE
Valve Adapter Plate
Morpac Industries, Inc Div Actuator
4820-01-448-4645KC49679 INTERCHANGEABLE
Valve,check
Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division
4320-01-498-482640049 INTERCHANGEABLE
Pump,hydraulic Ram,hand Driven
Parker Hannifin Corporation Div Hydraulic Systems Division
8465-01-541-831040049 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
5120-01-610-582640049 INTERCHANGEABLE
Wrench,box and Open End,combinat
Wiha Quality Tools
Cross-Reference Index
Part NumberManufacturer
40049 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
40049 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5310-00-010-3320INTERCHANGEABLE
WASHER,LOCK
6660-00-670-4850INTERCHANGEABLE
INDICATOR-RECORDER,TRANSMISSOMET
ID353BGMQ10
5355-01-181-0560INTERCHANGEABLE
DIAL,SCALE
40049
2910-01-206-0905INTERCHANGEABLE
PUMP,FUEL,ELECTRICAL
40049
4130-01-336-7156INTERCHANGEABLE
HEAD ASSEMBLY EXTRU
31212-91
4820-01-394-7592INTERCHANGEABLE
VALVE ADAPTER PLATE
40049-1
4820-01-448-4645INTERCHANGEABLE
VALVE,CHECK
KC49679
4320-01-498-4826INTERCHANGEABLE
PUMP,HYDRAULIC RAM,HAND DRIVEN
40049
8465-01-541-8310INTERCHANGEABLE
HYDRATION SYSTEM
40049
5120-01-610-5826INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
40049
5305-01-653-9121INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4-0049
5935-01-701-6382INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4004-9

Frequently Asked Questions

What is NSN 2810-00-118-9444?

NSN 2810-00-118-9444 is a Cover,exhaust Valve,rocker Box, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-118-9444?

NSN 2810-00-118-9444 has 2 cross-referenced part numbers: 40049 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 40049 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2810-00-118-9444?

There are 12 known substitutes for 2810-00-118-9444: 5310-00-010-3320, 6660-00-670-4850, 5355-01-181-0560 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40049?

Key specifications for 40049: End Item Identification: ACFT ENG R985; General Characteristics Item Description: MATL ALUMINUM ALLOY PER AMS 4212; 2.8125 IN. WIDE; 1.15625 IN. DEEP; VENT TUBE 0.75 IN. OD WITH 0.5625 IN. DIA HOLE; 4 HOLES 0.28125 IN. DIA; 5 RIBS 0.0625 IN. THICK IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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